Airworthiness Directives; The Boeing Company Airplanes, 17098-17106 [2016-04966]
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17098
Proposed Rules
Federal Register
Vol. 81, No. 59
Monday, March 28, 2016
This section of the FEDERAL REGISTER
contains notices to the public of the proposed
issuance of rules and regulations. The
purpose of these notices is to give interested
persons an opportunity to participate in the
rule making prior to the adoption of the final
rules.
DEPARTMENT OF TRANSPORTATION
We must receive comments on
this SNPRM by May 12, 2016.
DATES:
Federal Aviation Administration
[Docket No. FAA–2011–1068; Directorate
Identifier 2010–NM–189–AD]
RIN 2120–AA64
Airworthiness Directives; The Boeing
Company Airplanes
Federal Aviation
Administration (FAA), DOT.
ACTION: Supplemental notice of
proposed rulemaking (NPRM);
reopening of comment period.
AGENCY:
We are revising an earlier
proposed airworthiness directive (AD)
for all Boeing Model 737–100, –200,
–200C, –300, –400, and –500 series
airplanes. The NPRM proposed to
require installing an automatic shutoff
system for the center and auxiliary tank
fuel boost pumps, as applicable;
installing a placard in the airplane flight
deck if necessary; replacing the P5–2
fuel system module assembly; installing
the ‘‘uncommanded ON’’ (UCO)
protection system for the fuel boost
pumps; revising the airplane flight
manual to advise the flightcrew of
certain operating restrictions for
airplanes equipped with an automatic
shutoff system; and revising the
maintenance program by incorporating
new airworthiness limitations for fuel
tank systems to satisfy Special Federal
Aviation Regulation No. 88
requirements. The NPRM was prompted
by fuel system reviews conducted by the
manufacturer. This action revises the
NPRM by proposing to require updated
or additional actions that are necessary
for certain airplane configurations. We
are proposing this supplemental NPRM
(SNPRM) to prevent operation of the
center and auxiliary tank fuel boost
pumps with continuous low pressure,
which could lead to friction sparks or
overheating in the fuel pump inlet that
could create a potential ignition source
inside the center and auxiliary fuel
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SUMMARY:
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You may send comments,
using the procedures found in 14 CFR
11.43 and 11.45, by any of the following
methods:
• Federal eRulemaking Portal: Go to
https://www.regulations.gov. Follow the
instructions for submitting comments.
• Fax: 202–493–2251.
• Mail: U.S. Department of
Transportation, Docket Operations, M–
30, West Building Ground Floor, Room
W12–140, 1200 New Jersey Avenue SE.,
Washington, DC 20590.
• Hand Delivery: U.S. Department of
Transportation, Docket Operations, M–
30, West Building Ground Floor, Room
W12–140, 1200 New Jersey Avenue SE.,
Washington, DC 20590, between 9 a.m.
and 5 p.m., Monday through Friday,
except Federal holidays.
For Boeing service information
identified in this SNPRM, contact
Boeing Commercial Airplanes,
Attention: Data & Services Management,
P.O. Box 3707, MC 2H–65, Seattle, WA
98124–2207; telephone: 206–544–5000,
extension 1; fax: 206–766–5680; Internet
https://www.myboeingfleet.com.
For BAE Systems service information
identified in this SNPRM, contact BAE
Systems, Attention: Commercial
Product Support, 600 Main Street, Room
S18C, Johnson City, NY 13790–1806;
phone: 607–770–3084; fax: 607–770–
3015; email: CS-Customer.Service@
baesystems.com; Internet: https://
www.baesystems-ps.com/customer
support.
You may view this referenced service
information at the FAA, Transport
Airplane Directorate, 1601 Lind Avenue
SW., Renton, WA. For information on
the availability of this material at the
FAA, call 425–227–1221. The
referenced Boeing service bulletins are
also available on the Internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2011–
1068.
ADDRESSES:
14 CFR Part 39
VerDate Sep<11>2014
tanks. These conditions, in combination
with flammable fuel vapors, could result
in a fuel tank explosion and consequent
loss of the airplane. Since these actions
impose an additional burden over that
proposed in the NPRM, we are
reopening the comment period to allow
the public the chance to comment on
these proposed changes.
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Examining the AD Docket
You may examine the AD docket on
the Internet at https://
www.regulations.gov by searching for
and locating Docket No. FAA–2011–
1068; or in person at the Docket
Management Facility between 9 a.m.
and 5 p.m., Monday through Friday,
except Federal holidays. The AD docket
contains this proposed AD, the
regulatory evaluation, any comments
received, and other information. The
street address for the Docket Office
(phone: 800–647–5527) is in the
ADDRESSES section. Comments will be
available in the AD docket shortly after
receipt.
FOR FURTHER INFORMATION CONTACT:
Christopher Baker, Aerospace Engineer,
Propulsion Branch, ANM–140S, FAA,
Seattle Aircraft Certification Office
(ACO), 1601 Lind Avenue SW., Renton,
WA 98057–3356; phone: 425–917–6498;
fax: 425–917–6590; email:
Christopher.R.Baker@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
We invite you to send any written
relevant data, views, or arguments about
this proposed AD. Send your comments
to an address listed under the
ADDRESSES section. Include ‘‘Docket No.
FAA–2011–1068; Directorate Identifier
2010–NM–189–AD’’ at the beginning of
your comments. We specifically invite
comments on the overall regulatory,
economic, environmental, and energy
aspects of this proposed AD. We will
consider all comments received by the
closing date and may amend this
proposed AD because of those
comments.
We will post all comments we
receive, without change, to https://
www.regulations.gov, including any
personal information you provide. We
will also post a report summarizing each
substantive verbal contact we receive
about this proposed AD.
Discussion
We issued an NPRM to amend 14 CFR
part 39 by adding an AD that would
apply to all Boeing Model 737–100,
–200, –200C, –300, –400, and –500
series airplanes. The NPRM published
in the Federal Register on October 12,
2011 (76 FR 63229) (‘‘the NPRM’’). The
NPRM proposed to require installing an
automatic shutoff system for the center
and auxiliary tank fuel boost pumps, as
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applicable; installing a placard in the
airplane flight deck if necessary;
replacing the P5–2 fuel system module
assembly; installing the UCO protection
system for the center and auxiliary tank
fuel boost pumps, as applicable;
revising the airplane flight manual to
advise the flightcrew of certain
operating restrictions for airplanes
equipped with an automatic shutoff
system; and revising the maintenance
program by incorporating new
airworthiness limitations for fuel tank
systems to satisfy Special Federal
Aviation Regulation No. 88
requirements.
Actions Since the NPRM Was Issued
Since we issued the NPRM, we
learned of certain inadequacies in the
referenced service information. Boeing
has since developed, and we have
approved, revised service information.
We have determined it is necessary to
mandate the revised service
information, which includes additional
actions necessary for airplanes in
certain configurations.
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Related Service Information Under 1
CFR Part 51
We reviewed Boeing Alert Service
Bulletin 737–28A1210, dated August 2,
2010; Revision 1, dated May 13, 2011;
and Revision 2, dated October 25, 2012.
The service information describes
procedures for replacing the P5-2 fuel
system module assembly for Model
737–100, –200, –200C, –300, –400, and
–500 airplanes.
We reviewed Boeing Alert Service
Bulletin 737–28A1216, dated July 29,
2010; Revision 1, dated March 26, 2012;
Revision 2, dated November 12, 2012;
and Revision 3, dated July 16, 2014. The
service information describes
procedures for installing an automatic
shutoff system for the center and
auxiliary fuel tank boost pumps for
Model 737–300, –400, and –500
airplanes.
We reviewed Boeing Alert Service
Bulletin 737–28A1227, dated August 2,
2010; Revision 1, dated July 18, 2011;
and Revision 2, dated September 23,
2014. The service information describes
procedures for installing a UCO
protection system for the center and
auxiliary fuel boost pumps for Model
737–100, –200, –200C, –300, –400, and
–500 airplanes.
We reviewed Boeing Alert Service
Bulletin 737–28A1228, dated August 2,
2010; and Revision 1, dated June 28,
2012. The service information describes
procedures for installing an automatic
shutoff system for the center and
auxiliary fuel tank boost pumps for
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14:51 Mar 25, 2016
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Model 737–100, –200, and –200C
airplanes.
We also reviewed Section C, ‘‘Fuel
Systems Airworthiness Limitations,’’ of
Section 9 of the Boeing 737–100/200/
200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification
Maintenance Requirements (CMRs),
Document D6–38278–CMR, Revision
June 2014, contains AWLs 28–AWL–21,
28–AWL–22, 28–AWL–24, and 28–
AWL–25 for Model 737–100, –200, and
–200C airplanes, and AWLs 28–AWL–
20, 28–AWL–21, 28–AWL–23, and 28–
AWL–24 for Model 737–300, –400, and
–500 airplanes, which are airworthiness
limitation instructions for an
operational check of the installed
automatic shutoff system.
This service information is reasonably
available because the interested parties
have access to it through their normal
course of business or by the means
identified in the ADDRESSES section.
Comments
We gave the public the opportunity to
comment on the NPRM. The following
presents the comments received on the
NPRM and the FAA’s response to each
comment. The Air Line Pilots
Association, International, submitted its
support for the NPRM.
Request To Match Compliance Times
Japan Transocean Air requested that
we revise paragraphs (g) and (h) of the
proposed AD to extend the compliance
time from 36 months to 60 months to
match the compliance time specified in
paragraph (m) of the proposed AD (in
the NPRM). The commenter noted that
the service information specified in
paragraph (m) of the proposed AD (in
the NPRM) recommends the concurrent
accomplishment of the actions specified
in paragraph (g)(3) of the proposed AD.
The commenter asserted that requiring
the same compliance time (60 months)
for paragraphs (g), (h), and (m) of the
proposed AD (in the NPRM) would
prevent complications associated with
different configurations.
We disagree that it is necessary to
revise the compliance time as requested.
We infer that the commenter has
assumed that all of those actions must
be done at the same maintenance visit.
As the commenter stated, the
‘‘concurrent’’ actions (in paragraph
(g)(3) of this proposed AD) are to be
done ‘‘before or at the same time as’’ the
actions required by paragraph (m) of
this proposed AD. We have determined
that the compliance time for the actions
specified in paragraphs (g) and (h) of
this proposed AD is necessary to ensure
an adequate level of safety. We have
further determined that doing the
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actions required by paragraph (m) of
this proposed AD later than the actions
specified in paragraphs (g)(3) of this
proposed AD would not affect safety,
and would not affect the airplane
configuration in a way that would
complicate accomplishment of the
proposed AD requirements for the fleet.
In light of the identified unsafe
condition, the proposed requirements,
and the manufacturer’s
recommendations, we have determined
that no change to this proposed AD is
warranted regarding this issue.
Request To Require Two Placards
Japan Transocean Air requested that
we revise paragraph (i) of the proposed
AD (in the NPRM) to require the
installation of two placards, instead of
one, adjacent to the primary flight
displays. The commenter stated that
both pilots operate the fuel pumps, and
placards are therefore necessary for both
pilots’ primary flight displays.
We partially agree with the request.
The intent of this SNPRM is to ensure
that the placard is visible to both pilots.
Although we have determined that two
placards are not necessary to achieve
that goal, operators may choose to
install an additional placard or use a
different location, if approved by an
appropriate FAA principal operations
inspector. We have revised paragraph (i)
of this proposed AD to specify these
options.
Request To Correct Service Information
Specifications
Boeing requested certain corrections
to the referenced service information.
Since that comment was submitted,
Boeing has included these corrections in
the revised service information that is
referenced in this SNPRM. Therefore, no
additional change to this SNPRM is
necessary.
FAA’s Determination
We are proposing this SNPRM
because we evaluated all the relevant
information and determined the unsafe
condition described previously is likely
to exist or develop in other products of
the same type design. Certain changes
described above expand the scope of the
NPRM. As a result, we have determined
that it is necessary to reopen the
comment period to provide additional
opportunity for the public to comment
on this SNPRM.
Proposed Requirements of This SNPRM
This SNPRM would require
accomplishing the actions specified in
the service information described
previously, except as discussed under
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• In accordance with a method that
we approve; or
• Using data that meet the
certification basis of the airplane, and
that have been approved by the Boeing
Commercial Airplanes Organization
Designation Authorization (ODA) whom
we have authorized to make those
findings.
Boeing Alert Service Bulletin 737–
28A1216, Revision 3, dated July 16,
2014, specifies a 24-month compliance
time to accomplish the actions specified
in that service information. However,
‘‘Differences Between this AD and the
Service Information.’’
Differences Between This Proposed AD
and the Service Information
Where service information referenced
in this proposed AD specifies that
certain operators may contact the
manufacturer for modification
instructions, this proposed AD would
require those operators to do the
modification in one of the following
ways:
paragraph (g) of this proposed AD
would require accomplishing the
actions specified in that service
information within 36 months. We have
determined this compliance time will
provide an acceptable level of safety.
We have coordinated this difference
with Boeing.
Costs of Compliance
We estimate that this proposed AD
will affect 499 airplanes of U.S. registry.
We estimate the following costs to
comply with this proposed AD:
ESTIMATED COSTS
Action
Labor cost
Parts cost
Install auto shutoff protection for Between 92 and 155 work-hours
Model 737–100, –200, –200C
× $85 per hours = Between
airplanes (82 airplanes).
$7,820 and $13,175 1.
Install auto shutoff protection for Between 92 and 152 work-hours
Model 737–300, –400, and
× $85 per hours = Between
–500 airplanes (417 airplanes).
$7,820 and $12,920 1.
Install P5–2 module ................... 1 work-hour × $85 per hour =
$85.
Install UCO protection (499 airBetween 38 and 67 work-hours
planes).
× $85 per hours = Between
$3,230 and $5,6951.
Revise aircraft flight manual ...... 1 work-hour × $85 per hour =
$85.
Revise Maintenance Program ... 1 work-hour × $85 per hour =
$85.
1 Depending
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Cost on
U.S. operators
Between $10,792 and
$15,548 1.
Between $18,612 and
$28,723 1.
Between $1,526,184
and $2,355,286.1
Between $9,869 and
$16,236 1.
Between $17,689 and
$29,156 1.
Between $7,376,313
and $12,158,052.1
$0 ................................
$85 ..............................
$42,415.
Between $3,742 and
$4,861 1.
Between $6,972 and
$10,556 1.
Between $3,479,028
and $5,267,444.1
$0 ................................
$85 ..............................
$42,415.
$0 ................................
$85 ..............................
$42,415.
on group.
Authority for This Rulemaking
Title 49 of the United States Code
specifies the FAA’s authority to issue
rules on aviation safety. Subtitle I,
section 106, describes the authority of
the FAA Administrator. ‘‘Subtitle VII:
Aviation Programs’’ describes in more
detail the scope of the Agency’s
authority.
We are issuing this rulemaking under
the authority described in Subtitle VII,
Part A, Subpart III, Section 44701:
‘‘General requirements.’’ Under that
section, Congress charges the FAA with
promoting safe flight of civil aircraft in
air commerce by prescribing regulations
for practices, methods, and procedures
the Administrator finds necessary for
safety in air commerce. This regulation
is within the scope of that authority
because it addresses an unsafe condition
that is likely to exist or develop on
products identified in this rulemaking
action.
Regulatory Findings
We determined that this proposed AD
would not have federalism implications
under Executive Order 13132. This
proposed AD would not have a
substantial direct effect on the States, on
the relationship between the national
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Government and the States, or on the
distribution of power and
responsibilities among the various
levels of government.
For the reasons discussed above, I
certify this proposed regulation:
(1) Is not a ‘‘significant regulatory
action’’ under Executive Order 12866,
(2) Is not a ‘‘significant rule’’ under
the DOT Regulatory Policies and
Procedures (44 FR 11034, February 26,
1979),
(3) Will not affect intrastate aviation
in Alaska, and
(4) Will not have a significant
economic impact, positive or negative,
on a substantial number of small entities
under the criteria of the Regulatory
Flexibility Act.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation
safety, Incorporation by reference,
Safety.
The Proposed Amendment
Accordingly, under the authority
delegated to me by the Administrator,
the FAA proposes to amend 14 CFR part
39 as follows:
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PART 39—AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:
■
Authority: 49 U.S.C. 106(g), 40113, 44701.
§ 39.13
[Amended]
2. The FAA amends § 39.13 by adding
the following new airworthiness
directive (AD):
■
The Boeing Company: Docket No. FAA–
2011–1068; Directorate Identifier 2010–
NM–189–AD.
(a) Comments Due Date
We must receive comments by May 12,
2016.
(b) Affected ADs
Certain requirements of this AD terminate
certain requirements of AD 2001–08–24,
Amendment 39–12201 (66 FR 20733, April
25, 2001).
(c) Applicability
This AD affects all The Boeing Company
Model 737–100, –200, –200C, –300, –400,
and –500 series airplanes; certificated in any
category.
(d) Subject
Air Transport Association (ATA) of
America Code 28, Fuel.
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(f) Compliance
Comply with this AD within the
compliance times specified, unless already
done.
(g) Installation of Automatic Shutoff System
for the Center and Auxiliary Tank Fuel
Boost Pumps
Within 36 months after the effective date
of this AD, do the applicable actions
specified in paragraph (g)(1), (g)(2), or (g)(3)
of this AD. If a placard has been previously
installed on an airplane, in accordance with
the requirements of paragraph (i) of this AD,
the placard may be removed from the flight
deck of only that airplane after the automatic
shutoff system has been installed, as
specified in paragraph (g)(1), (g)(2), or (g)(3)
of this AD, as applicable.
(1) For Model 737–100, –200, and –200C
series airplanes, in Groups 2 through 19, as
identified in Boeing Alert Service Bulletin
737–28A1228, Revision 1, dated June 28,
2012: Install the automatic shutoff system for
the center and auxiliary fuel tank boost
pumps, as applicable, in accordance with the
Accomplishment Instructions of Boeing Alert
Service Bulletin 737–28A1228, Revision 1,
dated June 28, 2012. For airplanes that do not
have airstairs, accomplishment of the actions
specified in Boeing Alert Service Bulletin
737–28A1228, dated August 2, 2010, is
acceptable for compliance with the
requirements of this paragraph, provided
markers are installed on the J2802 Box for
‘‘POS 1’’ and ‘‘POS 2’’ within 90 days after
the effective date of this AD, in accordance
(j) Airplane Flight Manual (AFM) Revisions
for Airplanes Without Boeing Auxiliary Fuel
Tanks
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For airplanes without Boeing auxiliary fuel
tanks: Concurrently with accomplishment of
the actions required by paragraph (g) of this
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with Boeing Alert Service Bulletin 737–
28A1228, Revision 1, dated June 28, 2012.
(2) For Model 737–100, –200, and –200C
series airplanes in Group 1, as identified in
Boeing Alert Service Bulletin 737–28A1228,
Revision 1, dated June 28, 2012: Install the
automatic shutoff system for the center and
auxiliary fuel tank boost pumps, as
applicable, using a method approved in
accordance with the procedures specified in
paragraph (r) of this AD.
(3) For Model 737–300, –400, and –500
series airplanes in Groups 1 through 31, as
identified in Boeing Alert Service Bulletin
737–28A1216, Revision 3, dated July 16,
2014: Install the automatic shutoff system for
the center and auxiliary fuel tank boost
pumps, as applicable, in accordance with the
Accomplishment Instructions of Boeing Alert
Service Bulletin 737–28A1216, Revision 3,
dated July 16, 2014. For airplanes that do not
have airstairs: Accomplishment of the actions
specified in Boeing Service Bulletin 737–
28A1216, dated July 29, 2010, is acceptable
for compliance with the requirements of this
paragraph, provided markers are installed on
the J2802 Box for ‘‘POS 1’’ and ‘‘POS 2’’
within 90 days after the effective date of this
AD, in accordance with Boeing Alert Service
Bulletin 737–28A1216, Revision 1, dated
March 26, 2012; or Boeing Alert Service
Bulletin 737–28A1216, Revision 2, dated
November 12, 2012.
2, dated February 10, 2010, the P/N marking
is etched/scribed or labeled as P/N 69–
37335–2129, within 90 days after the
effective date of this AD.
(1) For airplanes in Group 2, as identified
in Boeing Service Bulletin 737–28A1210,
Revision 2, dated October 25, 2012: Replace
the P5–2 fuel system module assembly with
a modified or new P5–2 fuel system module
assembly having a new part number, in
accordance with Boeing Service Bulletin
737–28A1210, Revision 2, dated October 25,
2012.
Note 1 to paragraph (h)(1) of this AD:
Boeing Service Bulletin 737–28A1210,
Revision 2, dated October 25, 2012, refers to
BAE Systems Service Bulletin 69–37335–28–
04 as an additional source of guidance for
modifying and updating the existing P5–2
fuel system module assembly part numbers.
(2) For airplanes in Group 1, as identified
in Boeing Service Bulletin 737–28A1210,
Revision 2, dated October 25, 2012, replace
the P5–2 fuel system module assembly, as
applicable, using a method approved in
accordance with the procedures specified in
paragraph (r) of this AD.
(i) Concurrent Installation of a Placard for
Mixed Fleet Operation
(h) Concurrent Installation of P5–2 Fuel
System Module Assembly
Before or concurrently with
accomplishment of the actions required by
paragraph (g) of this AD, do the actions
specified in paragraph (h)(1) or (h)(2) of this
AD, as applicable. Accomplishment of the
actions specified in Boeing Alert Service
Bulletin 737–28A1210, dated August 2, 2010,
or Boeing Service Bulletin 737–28A1210,
Revision 1, dated May 13, 2011, is acceptable
for compliance with the requirements of
paragraph (h)(1) of this AD, provided that for
any original P5–2 Fuel System Module P/N
69–37335–129 installed that has been
reworked as specified in BAE Systems
Service Bulletin 69–37335–28–04, Revision
Concurrently with accomplishment of the
actions required by paragraph (g) of this AD,
install a placard adjacent to the pilot’s
primary flight display on all airplanes in the
operator’s fleet not equipped with an
automatic shutoff system for the center and
auxiliary tank fuel boost pumps, as
applicable. The placard must include the
statement in figure 1 to paragraph (i) of this
AD. Optionally, the placard may include
alternative text or be installed in a different
location, or an additional placard may be
installed, if approved by an appropriate FAA
principal operations inspector. Installing an
automatic shutoff system on an airplane, in
accordance with the requirements of
paragraph (g) of this AD, terminates the
placard installation required by this
paragraph for only that airplane.
AD, do the actions specified in paragraphs
(j)(1) and (j)(2) of this AD.
(1) Revise Section 1 of the Limitations
section of the applicable Boeing 737 AFM to
include the statement in figure 2 to paragraph
(j)(1) of this AD. This may be done by
inserting a copy of this AD into the AFM.
When a statement identical to that in figure
2 to paragraph (j)(1) of this AD has been
included in the general revisions of the
applicable Boeing 737 AFM, the general
revisions may be inserted into the AFM, and
the copy of this AD may be removed from the
AFM.
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(e) Unsafe Condition
This AD was prompted by fuel system
reviews conducted by the manufacturer. We
are issuing this AD to prevent operation of
the center and auxiliary tank fuel boost
pumps with continuous low pressure, which
could lead to friction sparks or overheating
in the fuel pump inlet that could create a
potential ignition source inside the center
and auxiliary fuel tanks. These conditions, in
combination with flammable fuel vapors,
could result in a fuel tank explosion and
consequent loss of the airplane.
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(2) Revise Section 3 of the Normal
Procedures section of the applicable Boeing
737 AFM to include to include the text
specified in figure 3 to paragraph (j)(2) of this
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AD. This may be done by inserting a copy of
this AD into the AFM. Alternative statements
that meet the intent of the following
requirements may be used if approved by an
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appropriate FAA principal operations
inspector.
BILLING CODE 4910–13–P
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Figure 3 to paragraph G)(2) of this AD
NORMAL FUEL USAGE
Center tank fuel pumps must not be "ON" unless personnel
are available in the flight deck to monitor low pressure
lights.
For ground operation, center tank fuel pump switches must
not be positioned "ON" unless the center tank fuel quantity
exceeds 1,000 pounds (453 kilograms), except when
defueling or transferring fuel. Upon positioning the center
tank fuel pump switches "ON," verify momentary
illumination of each center tank fuel pump low pressure
light.
For ground and flight operations, the corresponding center
tank fuel pump switch must be positioned "OFF" when a
center tank fuel pump low pressure light illuminates [1].
Both center tank fuel pump switches must be positioned
"OFF" when the first center tank fuel pump low pressure
light illuminates if the center tank is empty.
[1] When established in a level flight attitude, both center
tank pump switches should be positioned "ON" again if the
center tank contains usable fuel.
DEFUELING AND FUEL TRANSFER
When transferring fuel or defueling center or main tanks,
the fuel pump low pressure lights must be monitored and
the fuel pumps positioned to "OFF" at the first indication of
the fuel pump low pressure [1].
Defueling the main tanks with passengers on board is
prohibited if the main tank fuel pumps are powered [2].
Defueling the center tank with passengers on board is
prohibited if the center tank fuel pumps are powered and the
auto-shutoff system is inhibited [2].
[1] Prior to transferring fuel or defueling, conduct a lamp
test of the respective fuel pump low pressure lights.
(k) AFM Revisions for Airplanes With
Boeing Auxiliary Fuel Tanks
For airplanes with Boeing auxiliary fuel
tanks: Concurrently with accomplishment of
the actions required by paragraph (g) of this
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14:51 Mar 25, 2016
Jkt 238001
AD, do the actions specified in paragraphs
(k)(1) and (k)(2) of this AD.
(1) Revise Section 1 of the Limitations
section of the applicable Boeing 737 AFM to
include the text specified in figure 4 to
paragraph (k)(1) of this AD. This may be done
by inserting a copy of this AD into the AFM.
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When a statement identical to that in figure
4 to paragraph (k)(1) of this AD has been
included in the general revisions of the
applicable Boeing 737 AFM, the general
revisions may be inserted into the AFM, and
the copy of this AD may be removed from the
AFM.
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[2] Fuel may be transferred from tank to tank or the aircraft
may be defueled with passengers on board, provided fuel
quantity in the tank from which fuel is being taken is
maintained at or above 2,000 pounds (907 kilograms).
Federal Register / Vol. 81, No. 59 / Monday, March 28, 2016 / Proposed Rules
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(2) Revise Section 3 of the Normal
Procedures section of the applicable Boeing
737 AFM to include the text specified in
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figure 5 to paragraph (k)(2) of this AD. This
may be done by inserting a copy of this AD
into the AFM. Alternative statements that
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meet the intent of the following requirements
may be used if approved by an appropriate
FAA principal operations inspector.
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(l) Airworthiness Limitations (AWLs)
Revision for Automatic Shutoff System
Concurrently with accomplishment of the
actions required by paragraph (g) of this AD,
or within 30 days after the effective date of
this AD, whichever occurs later: Revise the
maintenance program by incorporating the
AWLs specified in paragraphs (l)(1), (l)(2),
(l)(3), and (l)(4) of this AD, as applicable. The
initial compliance time for the actions
specified in the applicable AWLs is within 1
year after accomplishment of the installation
VerDate Sep<11>2014
14:51 Mar 25, 2016
Jkt 238001
required by paragraph (g) of this AD, or
within 1 year after the effective date of this
AD, whichever occurs later.
(1) For Model 737–100, –200, and –200C
series airplanes without Boeing auxiliary fuel
tanks installed: Incorporate AWL No. 28–
AWL–21 of Section C, ‘‘Fuel Systems
Airworthiness Limitations,’’ of Section 9 of
the Boeing 737–100/200/200C/300/400/500
Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements
(CMRs), Document D6–38278–CMR, Revision
June 2014.
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17105
(2) For Model 737–100, –200, and –200C
series airplanes with Boeing auxiliary fuel
tanks installed: Incorporate AWL No. 28–
AWL–21 and AWL No. 28–AWL–22 of
Section C, ‘‘Fuel Systems Airworthiness
Limitations,’’ of Section 9 of the Boeing 737–
100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification
Maintenance Requirements (CMRs),
Document D6–38278–CMR, Revision June
2014.
(3) For Model 737–300, –400, and –500
series airplanes without Boeing auxiliary fuel
tanks installed: Incorporate AWL No. 28–
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Federal Register / Vol. 81, No. 59 / Monday, March 28, 2016 / Proposed Rules
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Federal Register / Vol. 81, No. 59 / Monday, March 28, 2016 / Proposed Rules
AWL–20 of Section C, ‘‘Fuel Systems
Airworthiness Limitations,’’ of Section 9 of
the Boeing 737–100/200/200C/300/400/500
Airworthiness Limitations (AWLs) and
Certification Maintenance Requirements
(CMRs), Document D6–38278–CMR, Revision
June 2014.
(4) For Model 737–300, –400, and –500
series airplanes with Boeing auxiliary fuel
tanks installed: Incorporate AWL No. 28–
AWL–20 and AWL No. 28–AWL–21 of
Section C, ‘‘Fuel Systems Airworthiness
Limitations,’’ of Section 9 of the Boeing 737–
100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification
Maintenance Requirements (CMRs),
Document D6–38278–CMR, Revision June
2014.
Lhorne on DSK5TPTVN1PROD with PROPOSALS
(m) Installation of Un-Commanded ON
(UCO) Protection System
Within 60 months after the effective date
of this AD, do the actions required by
paragraph (m)(1) or (m)(2) of this AD, as
applicable.
(1) For airplanes in Groups 2 through 13,
as identified in Boeing Alert Service Bulletin
737–28A1227, Revision 2, dated September
23, 2014: Install the UCO protection system
for the center and auxiliary tank fuel boost
pumps, as applicable, in accordance with the
Accomplishment Instructions of Boeing Alert
Service Bulletin 737–28A1227, Revision 2,
dated September 23, 2014. For airplanes with
enlarged J2802 box assembly relay cutouts to
fit the body of relays R3334, R3336, R3338,
or R3340, with BACS12HN08–10 screws for
the installation of the relays as specified in
Information Notice 737–28A1227 IN 05:
Accomplishment of the actions specified in
Boeing Alert Service Bulletin 737–28A1227,
dated August 2, 2010, or Revision 1, dated
July 18, 2011, is acceptable for compliance
with the requirements of this paragraph,
provided markers are installed that identify
the function of the switches installed on the
J2802 box within 90 days after the effective
date of this AD, in accordance with figure 1
or figure 5, as applicable, of Boeing Alert
Service Bulletin 737–28A1227, Revision 2,
dated September 23, 2014.
(2) For airplanes in Group 1, as identified
in Boeing Alert Service Bulletin 737–
28A1227, Revision 2, dated September 23,
2014: Install the UCO protection system for
the center and auxiliary tank fuel boost
pumps, as applicable, using a method
approved in accordance with the procedures
specified in paragraph (r) of this AD.
(n) AWLs Revision for UCO Protection
System
Concurrently with accomplishment of the
actions required by paragraph (m) of this AD,
or within 30 days after the effective date of
this AD, whichever occurs later: Revise the
maintenance program by incorporating the
AWLs specified in paragraphs (n)(1), (n)(2),
(n)(3), and (n)(4) of this AD, as applicable.
The initial compliance time for the actions
specified in applicable AWLs is within 1 year
after accomplishment of the installation
required by paragraph (m) of this AD, or
within 1 year after the effective date of this
AD, whichever occurs later.
(1) For Model 737–100, –200, and –200C
series airplanes without Boeing auxiliary fuel
VerDate Sep<11>2014
14:51 Mar 25, 2016
Jkt 238001
tanks: Incorporate AWL No. 28–AWL–24 of
Section C, ‘‘Fuel Systems Airworthiness
Limitations,’’ of Section 9 of the Boeing 737–
100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification
Maintenance Requirements (CMRs),
Document D6–38278–CMR, Revision June
2014.
(2) For Model 737–100, –200, and –200C
series airplanes with Boeing auxiliary fuel
tanks: Incorporate AWL No. 28–AWL–24 and
AWL No. 28–AWL–25 of Section C, ‘‘Fuel
Systems Airworthiness Limitations,’’ of
Section 9 of the Boeing 737–100/200/200C/
300/400/500 Airworthiness Limitations
(AWLs) and Certification Maintenance
Requirements (CMRs), Document D6–38278–
CMR, Revision June 2014.
(3) For Model 737–300, –400, and –500
series airplanes without Boeing auxiliary fuel
tanks: Incorporate AWL No. 28–AWL–23 of
Section C, ‘‘Fuel Systems Airworthiness
Limitations,’’ of Section 9 of the Boeing 737–
100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification
Maintenance Requirements (CMRs),
Document D6–38278–CMR, Revision June
2014.
(4) For Model 737–300, –400, and –500
series airplanes with Boeing auxiliary fuel
tanks: Incorporate AWL No. 28–AWL–23 and
AWL No. 28–AWL–24 of Section C, ‘‘Fuel
Systems Airworthiness Limitations,’’ of
Section 9 of the Boeing 737–100/200/200C/
300/400/500 Airworthiness Limitations
(AWLs) and Certification Maintenance
Requirements (CMRs), Document D6–38278–
CMR, Revision June 2014.
(o) No Alternative Inspections or Inspection
Intervals
After accomplishment of the applicable
actions specified in paragraphs (l) and (n) of
this AD, no alternative inspections or
inspection intervals may be used unless the
inspections or inspection intervals are
approved as an alternative method of
compliance (AMOC) in accordance with the
procedures specified in paragraph (r) of this
AD.
(p) Method of Compliance for Paragraph (l)
of This AD
Incorporating AWLs No. 28–AWL–21 and
No. 28–AWL–22 for Model 737–100, –200,
and –200C series airplanes; and AWLs No.
28–AWL–20 and No. 28–AWL–21 for Model
737–300, –400, and –500 series airplanes; in
accordance with paragraphs (g)(1) and (g)(2)
of AD 2008–10–09 R1, Amendment 39–16148
(74 FR 69264, December 31, 2009), is
acceptable for compliance with the
corresponding AWL incorporation required
by paragraph (l) of this AD.
(q) Method of Compliance for Paragraph (a)
of AD 2001–08–24, Amendment 39–12201
(66 FR 20733, April 25, 2001)
Accomplishment of the actions required by
paragraphs (g), (h), (i), and (l) of this AD, and
paragraph (j) or (k) of this AD as applicable,
is an acceptable method of compliance with
the requirements of paragraph (a) of AD
2001–08–24, Amendment 39–12201 (66 FR
20733, April 25, 2001).
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Fmt 4702
Sfmt 9990
(r) Alternative Methods of Compliance
(AMOCs)
(1) The Manager, Seattle Aircraft
Certification Office (ACO), FAA, has the
authority to approve AMOCs for this AD, if
requested using the procedures found in 14
CFR 39.19. In accordance with 14 CFR 39.19,
send your request to your principal inspector
or local Flight Standards District Office, as
appropriate. If sending information directly
to the manager of the ACO, send it to the
attention of the person identified in
paragraph (s)(1) of this AD. Information may
be emailed to 9-ANM-Seattle-ACO-AMOCRequests@faa.gov.
(2) Before using any approved AMOC,
notify your appropriate principal inspector,
or lacking a principal inspector, the manager
of the local flight standards district office/
certificate holding district office.
(3) An AMOC that provides an acceptable
level of safety may be used for any repair,
modification, or alteration required by this
AD if it is approved by the Boeing
Commercial Airplanes Organization
Designation Authorization (ODA) that has
been authorized by the Manager, Seattle
ACO, to make those findings. To be
approved, the repair method, modification
deviation, or alteration deviation must meet
the certification basis of the airplane, and the
approval must specifically refer to this AD.
(s) Related Information
(1) For more information about this AD,
contact Christopher Baker, Aerospace
Engineer, Propulsion Branch, ANM–140S,
FAA, Seattle ACO, 1601 Lind Avenue SW.,
Renton, WA 98057–3356; phone: 425–917–
6498; fax: 425–917–6590; email:
Christopher.R.Baker@faa.gov.
(2) For Boeing service information
identified in this AD, contact Boeing
Commercial Airplanes, Attention: Data &
Services Management, P.O. Box 3707, MC
2H–65, Seattle, WA 98124–2207; telephone:
206–544–5000, extension 1; fax: 206–766–
5680; Internet https://
www.myboeingfleet.com. For BAE Systems
service information identified in this AD,
contact BAE Systems, Attention: Commercial
Product Support, 600 Main Street, Room
S18C, Johnson City, NY 13790–1806; phone:
607–770–3084; fax: 607–770–3015; email:
CS-Customer.Service@baesystems.com;
Internet: https://www.baesystems-ps.com/
customersupport. You may view this
referenced service information at the FAA,
Transport Airplane Directorate, 1601 Lind
Avenue SW., Renton, WA. For information
on the availability of this material at the
FAA, call 425–227–1221.
Issued in Renton, Washington, on February
25, 2016.
Dionne Palermo,
Acting Manager, Transport Airplane
Directorate, Aircraft Certification Service.
[FR Doc. 2016–04966 Filed 3–25–16; 8:45 am]
BILLING CODE 4910–13–P
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]]>Agencies
[Federal Register Volume 81, Number 59 (Monday, March 28, 2016)]
[Proposed Rules]
[Pages 17098-17106]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2016-04966]
========================================================================
Proposed Rules
Federal Register
________________________________________________________________________
This section of the FEDERAL REGISTER contains notices to the public of
the proposed issuance of rules and regulations. The purpose of these
notices is to give interested persons an opportunity to participate in
the rule making prior to the adoption of the final rules.
========================================================================
Federal Register / Vol. 81, No. 59 / Monday, March 28, 2016 /
Proposed Rules
[[Page 17098]]
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2011-1068; Directorate Identifier 2010-NM-189-AD]
RIN 2120-AA64
Airworthiness Directives; The Boeing Company Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Supplemental notice of proposed rulemaking (NPRM); reopening of
comment period.
-----------------------------------------------------------------------
SUMMARY: We are revising an earlier proposed airworthiness directive
(AD) for all Boeing Model 737-100, -200, -200C, -300, -400, and -500
series airplanes. The NPRM proposed to require installing an automatic
shutoff system for the center and auxiliary tank fuel boost pumps, as
applicable; installing a placard in the airplane flight deck if
necessary; replacing the P5-2 fuel system module assembly; installing
the ``uncommanded ON'' (UCO) protection system for the fuel boost
pumps; revising the airplane flight manual to advise the flightcrew of
certain operating restrictions for airplanes equipped with an automatic
shutoff system; and revising the maintenance program by incorporating
new airworthiness limitations for fuel tank systems to satisfy Special
Federal Aviation Regulation No. 88 requirements. The NPRM was prompted
by fuel system reviews conducted by the manufacturer. This action
revises the NPRM by proposing to require updated or additional actions
that are necessary for certain airplane configurations. We are
proposing this supplemental NPRM (SNPRM) to prevent operation of the
center and auxiliary tank fuel boost pumps with continuous low
pressure, which could lead to friction sparks or overheating in the
fuel pump inlet that could create a potential ignition source inside
the center and auxiliary fuel tanks. These conditions, in combination
with flammable fuel vapors, could result in a fuel tank explosion and
consequent loss of the airplane. Since these actions impose an
additional burden over that proposed in the NPRM, we are reopening the
comment period to allow the public the chance to comment on these
proposed changes.
DATES: We must receive comments on this SNPRM by May 12, 2016.
ADDRESSES: You may send comments, using the procedures found in 14 CFR
11.43 and 11.45, by any of the following methods:
Federal eRulemaking Portal: Go to https://www.regulations.gov. Follow the instructions for submitting comments.
Fax: 202-493-2251.
Mail: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE., Washington, DC 20590.
Hand Delivery: U.S. Department of Transportation, Docket
Operations, M-30, West Building Ground Floor, Room W12-140, 1200 New
Jersey Avenue SE., Washington, DC 20590, between 9 a.m. and 5 p.m.,
Monday through Friday, except Federal holidays.
For Boeing service information identified in this SNPRM, contact
Boeing Commercial Airplanes, Attention: Data & Services Management,
P.O. Box 3707, MC 2H-65, Seattle, WA 98124-2207; telephone: 206-544-
5000, extension 1; fax: 206-766-5680; Internet https://www.myboeingfleet.com.
For BAE Systems service information identified in this SNPRM,
contact BAE Systems, Attention: Commercial Product Support, 600 Main
Street, Room S18C, Johnson City, NY 13790-1806; phone: 607-770-3084;
fax: 607-770-3015; email: CS-Customer.Service@baesystems.com; Internet:
https://www.baesystems-ps.com/customersupport.
You may view this referenced service information at the FAA,
Transport Airplane Directorate, 1601 Lind Avenue SW., Renton, WA. For
information on the availability of this material at the FAA, call 425-
227-1221. The referenced Boeing service bulletins are also available on
the Internet at https://www.regulations.gov by searching for and
locating Docket No. FAA-2011-1068.
Examining the AD Docket
You may examine the AD docket on the Internet at https://www.regulations.gov by searching for and locating Docket No. FAA-2011-
1068; or in person at the Docket Management Facility between 9 a.m. and
5 p.m., Monday through Friday, except Federal holidays. The AD docket
contains this proposed AD, the regulatory evaluation, any comments
received, and other information. The street address for the Docket
Office (phone: 800-647-5527) is in the ADDRESSES section. Comments will
be available in the AD docket shortly after receipt.
FOR FURTHER INFORMATION CONTACT: Christopher Baker, Aerospace Engineer,
Propulsion Branch, ANM-140S, FAA, Seattle Aircraft Certification Office
(ACO), 1601 Lind Avenue SW., Renton, WA 98057-3356; phone: 425-917-
6498; fax: 425-917-6590; email: Christopher.R.Baker@faa.gov.
SUPPLEMENTARY INFORMATION:
Comments Invited
We invite you to send any written relevant data, views, or
arguments about this proposed AD. Send your comments to an address
listed under the ADDRESSES section. Include ``Docket No. FAA-2011-1068;
Directorate Identifier 2010-NM-189-AD'' at the beginning of your
comments. We specifically invite comments on the overall regulatory,
economic, environmental, and energy aspects of this proposed AD. We
will consider all comments received by the closing date and may amend
this proposed AD because of those comments.
We will post all comments we receive, without change, to https://www.regulations.gov, including any personal information you provide. We
will also post a report summarizing each substantive verbal contact we
receive about this proposed AD.
Discussion
We issued an NPRM to amend 14 CFR part 39 by adding an AD that
would apply to all Boeing Model 737-100, -200, -200C, -300, -400, and -
500 series airplanes. The NPRM published in the Federal Register on
October 12, 2011 (76 FR 63229) (``the NPRM''). The NPRM proposed to
require installing an automatic shutoff system for the center and
auxiliary tank fuel boost pumps, as
[[Page 17099]]
applicable; installing a placard in the airplane flight deck if
necessary; replacing the P5-2 fuel system module assembly; installing
the UCO protection system for the center and auxiliary tank fuel boost
pumps, as applicable; revising the airplane flight manual to advise the
flightcrew of certain operating restrictions for airplanes equipped
with an automatic shutoff system; and revising the maintenance program
by incorporating new airworthiness limitations for fuel tank systems to
satisfy Special Federal Aviation Regulation No. 88 requirements.
Actions Since the NPRM Was Issued
Since we issued the NPRM, we learned of certain inadequacies in the
referenced service information. Boeing has since developed, and we have
approved, revised service information. We have determined it is
necessary to mandate the revised service information, which includes
additional actions necessary for airplanes in certain configurations.
Related Service Information Under 1 CFR Part 51
We reviewed Boeing Alert Service Bulletin 737-28A1210, dated August
2, 2010; Revision 1, dated May 13, 2011; and Revision 2, dated October
25, 2012. The service information describes procedures for replacing
the P5-2 fuel system module assembly for Model 737-100, -200, -200C, -
300, -400, and -500 airplanes.
We reviewed Boeing Alert Service Bulletin 737-28A1216, dated July
29, 2010; Revision 1, dated March 26, 2012; Revision 2, dated November
12, 2012; and Revision 3, dated July 16, 2014. The service information
describes procedures for installing an automatic shutoff system for the
center and auxiliary fuel tank boost pumps for Model 737-300, -400, and
-500 airplanes.
We reviewed Boeing Alert Service Bulletin 737-28A1227, dated August
2, 2010; Revision 1, dated July 18, 2011; and Revision 2, dated
September 23, 2014. The service information describes procedures for
installing a UCO protection system for the center and auxiliary fuel
boost pumps for Model 737-100, -200, -200C, -300, -400, and -500
airplanes.
We reviewed Boeing Alert Service Bulletin 737-28A1228, dated August
2, 2010; and Revision 1, dated June 28, 2012. The service information
describes procedures for installing an automatic shutoff system for the
center and auxiliary fuel tank boost pumps for Model 737-100, -200, and
-200C airplanes.
We also reviewed Section C, ``Fuel Systems Airworthiness
Limitations,'' of Section 9 of the Boeing 737-100/200/200C/300/400/500
Airworthiness Limitations (AWLs) and Certification Maintenance
Requirements (CMRs), Document D6-38278-CMR, Revision June 2014,
contains AWLs 28-AWL-21, 28-AWL-22, 28-AWL-24, and 28-AWL-25 for Model
737-100, -200, and -200C airplanes, and AWLs 28-AWL-20, 28-AWL-21, 28-
AWL-23, and 28-AWL-24 for Model 737-300, -400, and -500 airplanes,
which are airworthiness limitation instructions for an operational
check of the installed automatic shutoff system.
This service information is reasonably available because the
interested parties have access to it through their normal course of
business or by the means identified in the ADDRESSES section.
Comments
We gave the public the opportunity to comment on the NPRM. The
following presents the comments received on the NPRM and the FAA's
response to each comment. The Air Line Pilots Association,
International, submitted its support for the NPRM.
Request To Match Compliance Times
Japan Transocean Air requested that we revise paragraphs (g) and
(h) of the proposed AD to extend the compliance time from 36 months to
60 months to match the compliance time specified in paragraph (m) of
the proposed AD (in the NPRM). The commenter noted that the service
information specified in paragraph (m) of the proposed AD (in the NPRM)
recommends the concurrent accomplishment of the actions specified in
paragraph (g)(3) of the proposed AD. The commenter asserted that
requiring the same compliance time (60 months) for paragraphs (g), (h),
and (m) of the proposed AD (in the NPRM) would prevent complications
associated with different configurations.
We disagree that it is necessary to revise the compliance time as
requested. We infer that the commenter has assumed that all of those
actions must be done at the same maintenance visit. As the commenter
stated, the ``concurrent'' actions (in paragraph (g)(3) of this
proposed AD) are to be done ``before or at the same time as'' the
actions required by paragraph (m) of this proposed AD. We have
determined that the compliance time for the actions specified in
paragraphs (g) and (h) of this proposed AD is necessary to ensure an
adequate level of safety. We have further determined that doing the
actions required by paragraph (m) of this proposed AD later than the
actions specified in paragraphs (g)(3) of this proposed AD would not
affect safety, and would not affect the airplane configuration in a way
that would complicate accomplishment of the proposed AD requirements
for the fleet. In light of the identified unsafe condition, the
proposed requirements, and the manufacturer's recommendations, we have
determined that no change to this proposed AD is warranted regarding
this issue.
Request To Require Two Placards
Japan Transocean Air requested that we revise paragraph (i) of the
proposed AD (in the NPRM) to require the installation of two placards,
instead of one, adjacent to the primary flight displays. The commenter
stated that both pilots operate the fuel pumps, and placards are
therefore necessary for both pilots' primary flight displays.
We partially agree with the request. The intent of this SNPRM is to
ensure that the placard is visible to both pilots. Although we have
determined that two placards are not necessary to achieve that goal,
operators may choose to install an additional placard or use a
different location, if approved by an appropriate FAA principal
operations inspector. We have revised paragraph (i) of this proposed AD
to specify these options.
Request To Correct Service Information Specifications
Boeing requested certain corrections to the referenced service
information. Since that comment was submitted, Boeing has included
these corrections in the revised service information that is referenced
in this SNPRM. Therefore, no additional change to this SNPRM is
necessary.
FAA's Determination
We are proposing this SNPRM because we evaluated all the relevant
information and determined the unsafe condition described previously is
likely to exist or develop in other products of the same type design.
Certain changes described above expand the scope of the NPRM. As a
result, we have determined that it is necessary to reopen the comment
period to provide additional opportunity for the public to comment on
this SNPRM.
Proposed Requirements of This SNPRM
This SNPRM would require accomplishing the actions specified in the
service information described previously, except as discussed under
[[Page 17100]]
``Differences Between this AD and the Service Information.''
Differences Between This Proposed AD and the Service Information
Where service information referenced in this proposed AD specifies
that certain operators may contact the manufacturer for modification
instructions, this proposed AD would require those operators to do the
modification in one of the following ways:
In accordance with a method that we approve; or
Using data that meet the certification basis of the
airplane, and that have been approved by the Boeing Commercial
Airplanes Organization Designation Authorization (ODA) whom we have
authorized to make those findings.
Boeing Alert Service Bulletin 737-28A1216, Revision 3, dated July
16, 2014, specifies a 24-month compliance time to accomplish the
actions specified in that service information. However, paragraph (g)
of this proposed AD would require accomplishing the actions specified
in that service information within 36 months. We have determined this
compliance time will provide an acceptable level of safety. We have
coordinated this difference with Boeing.
Costs of Compliance
We estimate that this proposed AD will affect 499 airplanes of U.S.
registry. We estimate the following costs to comply with this proposed
AD:
Estimated Costs
--------------------------------------------------------------------------------------------------------------------------------------------------------
Action Labor cost Parts cost Cost per product Cost on U.S. operators
--------------------------------------------------------------------------------------------------------------------------------------------------------
Install auto shutoff protection Between 92 and 155 Between $10,792 and $15,548 \1\ Between $18,612 and $28,723 \1\ Between $1,526,184 and
for Model 737-100, -200, -200C work-hours x $85 $2,355,286.\1\
airplanes (82 airplanes). per hours =
Between $7,820 and
$13,175 \1\.
Install auto shutoff protection Between 92 and 152 Between $9,869 and $16,236 \1\. Between $17,689 and $29,156 \1\ Between $7,376,313 and
for Model 737-300, -400, and - work-hours x $85 $12,158,052.\1\
500 airplanes (417 airplanes). per hours =
Between $7,820 and
$12,920 \1\.
Install P5-2 module............. 1 work-hour x $85 $0............................. $85............................ $42,415.
per hour = $85.
Install UCO protection (499 Between 38 and 67 Between $3,742 and $4,861 \1\.. Between $6,972 and $10,556 \1\. Between $3,479,028 and
airplanes). work-hours x $85 $5,267,444.\1\
per hours =
Between $3,230 and
$5,695\1\.
Revise aircraft flight manual... 1 work-hour x $85 $0............................. $85............................ $42,415.
per hour = $85.
Revise Maintenance Program...... 1 work-hour x $85 $0............................. $85............................ $42,415.
per hour = $85.
--------------------------------------------------------------------------------------------------------------------------------------------------------
\1\ Depending on group.
Authority for This Rulemaking
Title 49 of the United States Code specifies the FAA's authority to
issue rules on aviation safety. Subtitle I, section 106, describes the
authority of the FAA Administrator. ``Subtitle VII: Aviation Programs''
describes in more detail the scope of the Agency's authority.
We are issuing this rulemaking under the authority described in
Subtitle VII, Part A, Subpart III, Section 44701: ``General
requirements.'' Under that section, Congress charges the FAA with
promoting safe flight of civil aircraft in air commerce by prescribing
regulations for practices, methods, and procedures the Administrator
finds necessary for safety in air commerce. This regulation is within
the scope of that authority because it addresses an unsafe condition
that is likely to exist or develop on products identified in this
rulemaking action.
Regulatory Findings
We determined that this proposed AD would not have federalism
implications under Executive Order 13132. This proposed AD would not
have a substantial direct effect on the States, on the relationship
between the national Government and the States, or on the distribution
of power and responsibilities among the various levels of government.
For the reasons discussed above, I certify this proposed
regulation:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Is not a ``significant rule'' under the DOT Regulatory Policies
and Procedures (44 FR 11034, February 26, 1979),
(3) Will not affect intrastate aviation in Alaska, and
(4) Will not have a significant economic impact, positive or
negative, on a substantial number of small entities under the criteria
of the Regulatory Flexibility Act.
List of Subjects in 14 CFR Part 39
Air transportation, Aircraft, Aviation safety, Incorporation by
reference, Safety.
The Proposed Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA proposes to amend 14 CFR part 39 as follows:
PART 39--AIRWORTHINESS DIRECTIVES
0
1. The authority citation for part 39 continues to read as follows:
Authority: 49 U.S.C. 106(g), 40113, 44701.
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive (AD):
The Boeing Company: Docket No. FAA-2011-1068; Directorate Identifier
2010-NM-189-AD.
(a) Comments Due Date
We must receive comments by May 12, 2016.
(b) Affected ADs
Certain requirements of this AD terminate certain requirements
of AD 2001-08-24, Amendment 39-12201 (66 FR 20733, April 25, 2001).
(c) Applicability
This AD affects all The Boeing Company Model 737-100, -200, -
200C, -300, -400, and -500 series airplanes; certificated in any
category.
(d) Subject
Air Transport Association (ATA) of America Code 28, Fuel.
[[Page 17101]]
(e) Unsafe Condition
This AD was prompted by fuel system reviews conducted by the
manufacturer. We are issuing this AD to prevent operation of the
center and auxiliary tank fuel boost pumps with continuous low
pressure, which could lead to friction sparks or overheating in the
fuel pump inlet that could create a potential ignition source inside
the center and auxiliary fuel tanks. These conditions, in
combination with flammable fuel vapors, could result in a fuel tank
explosion and consequent loss of the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Installation of Automatic Shutoff System for the Center and
Auxiliary Tank Fuel Boost Pumps
Within 36 months after the effective date of this AD, do the
applicable actions specified in paragraph (g)(1), (g)(2), or (g)(3)
of this AD. If a placard has been previously installed on an
airplane, in accordance with the requirements of paragraph (i) of
this AD, the placard may be removed from the flight deck of only
that airplane after the automatic shutoff system has been installed,
as specified in paragraph (g)(1), (g)(2), or (g)(3) of this AD, as
applicable.
(1) For Model 737-100, -200, and -200C series airplanes, in
Groups 2 through 19, as identified in Boeing Alert Service Bulletin
737-28A1228, Revision 1, dated June 28, 2012: Install the automatic
shutoff system for the center and auxiliary fuel tank boost pumps,
as applicable, in accordance with the Accomplishment Instructions of
Boeing Alert Service Bulletin 737-28A1228, Revision 1, dated June
28, 2012. For airplanes that do not have airstairs, accomplishment
of the actions specified in Boeing Alert Service Bulletin 737-
28A1228, dated August 2, 2010, is acceptable for compliance with the
requirements of this paragraph, provided markers are installed on
the J2802 Box for ``POS 1'' and ``POS 2'' within 90 days after the
effective date of this AD, in accordance with Boeing Alert Service
Bulletin 737-28A1228, Revision 1, dated June 28, 2012.
(2) For Model 737-100, -200, and -200C series airplanes in Group
1, as identified in Boeing Alert Service Bulletin 737-28A1228,
Revision 1, dated June 28, 2012: Install the automatic shutoff
system for the center and auxiliary fuel tank boost pumps, as
applicable, using a method approved in accordance with the
procedures specified in paragraph (r) of this AD.
(3) For Model 737-300, -400, and -500 series airplanes in Groups
1 through 31, as identified in Boeing Alert Service Bulletin 737-
28A1216, Revision 3, dated July 16, 2014: Install the automatic
shutoff system for the center and auxiliary fuel tank boost pumps,
as applicable, in accordance with the Accomplishment Instructions of
Boeing Alert Service Bulletin 737-28A1216, Revision 3, dated July
16, 2014. For airplanes that do not have airstairs: Accomplishment
of the actions specified in Boeing Service Bulletin 737-28A1216,
dated July 29, 2010, is acceptable for compliance with the
requirements of this paragraph, provided markers are installed on
the J2802 Box for ``POS 1'' and ``POS 2'' within 90 days after the
effective date of this AD, in accordance with Boeing Alert Service
Bulletin 737-28A1216, Revision 1, dated March 26, 2012; or Boeing
Alert Service Bulletin 737-28A1216, Revision 2, dated November 12,
2012.
(h) Concurrent Installation of P5-2 Fuel System Module Assembly
Before or concurrently with accomplishment of the actions
required by paragraph (g) of this AD, do the actions specified in
paragraph (h)(1) or (h)(2) of this AD, as applicable. Accomplishment
of the actions specified in Boeing Alert Service Bulletin 737-
28A1210, dated August 2, 2010, or Boeing Service Bulletin 737-
28A1210, Revision 1, dated May 13, 2011, is acceptable for
compliance with the requirements of paragraph (h)(1) of this AD,
provided that for any original P5-2 Fuel System Module P/N 69-37335-
129 installed that has been reworked as specified in BAE Systems
Service Bulletin 69-37335-28-04, Revision 2, dated February 10,
2010, the P/N marking is etched/scribed or labeled as P/N 69-37335-
2129, within 90 days after the effective date of this AD.
(1) For airplanes in Group 2, as identified in Boeing Service
Bulletin 737-28A1210, Revision 2, dated October 25, 2012: Replace
the P5-2 fuel system module assembly with a modified or new P5-2
fuel system module assembly having a new part number, in accordance
with Boeing Service Bulletin 737-28A1210, Revision 2, dated October
25, 2012.
Note 1 to paragraph (h)(1) of this AD: Boeing Service Bulletin
737-28A1210, Revision 2, dated October 25, 2012, refers to BAE
Systems Service Bulletin 69-37335-28-04 as an additional source of
guidance for modifying and updating the existing P5-2 fuel system
module assembly part numbers.
(2) For airplanes in Group 1, as identified in Boeing Service
Bulletin 737-28A1210, Revision 2, dated October 25, 2012, replace
the P5-2 fuel system module assembly, as applicable, using a method
approved in accordance with the procedures specified in paragraph
(r) of this AD.
(i) Concurrent Installation of a Placard for Mixed Fleet Operation
Concurrently with accomplishment of the actions required by
paragraph (g) of this AD, install a placard adjacent to the pilot's
primary flight display on all airplanes in the operator's fleet not
equipped with an automatic shutoff system for the center and
auxiliary tank fuel boost pumps, as applicable. The placard must
include the statement in figure 1 to paragraph (i) of this AD.
Optionally, the placard may include alternative text or be installed
in a different location, or an additional placard may be installed,
if approved by an appropriate FAA principal operations inspector.
Installing an automatic shutoff system on an airplane, in accordance
with the requirements of paragraph (g) of this AD, terminates the
placard installation required by this paragraph for only that
airplane.
[GRAPHIC] [TIFF OMITTED] TP28MR16.016
(j) Airplane Flight Manual (AFM) Revisions for Airplanes Without Boeing
Auxiliary Fuel Tanks
For airplanes without Boeing auxiliary fuel tanks: Concurrently
with accomplishment of the actions required by paragraph (g) of this
AD, do the actions specified in paragraphs (j)(1) and (j)(2) of this
AD.
(1) Revise Section 1 of the Limitations section of the
applicable Boeing 737 AFM to include the statement in figure 2 to
paragraph (j)(1) of this AD. This may be done by inserting a copy of
this AD into the AFM. When a statement identical to that in figure 2
to paragraph (j)(1) of this AD has been included in the general
revisions of the applicable Boeing 737 AFM, the general revisions
may be inserted into the AFM, and the copy of this AD may be removed
from the AFM.
[[Page 17102]]
[GRAPHIC] [TIFF OMITTED] TP28MR16.017
(2) Revise Section 3 of the Normal Procedures section of the
applicable Boeing 737 AFM to include to include the text specified
in figure 3 to paragraph (j)(2) of this AD. This may be done by
inserting a copy of this AD into the AFM. Alternative statements
that meet the intent of the following requirements may be used if
approved by an appropriate FAA principal operations inspector.
BILLING CODE 4910-13-P
[[Page 17103]]
[GRAPHIC] [TIFF OMITTED] TP28MR16.018
(k) AFM Revisions for Airplanes With Boeing Auxiliary Fuel Tanks
For airplanes with Boeing auxiliary fuel tanks: Concurrently
with accomplishment of the actions required by paragraph (g) of this
AD, do the actions specified in paragraphs (k)(1) and (k)(2) of this
AD.
(1) Revise Section 1 of the Limitations section of the
applicable Boeing 737 AFM to include the text specified in figure 4
to paragraph (k)(1) of this AD. This may be done by inserting a copy
of this AD into the AFM. When a statement identical to that in
figure 4 to paragraph (k)(1) of this AD has been included in the
general revisions of the applicable Boeing 737 AFM, the general
revisions may be inserted into the AFM, and the copy of this AD may
be removed from the AFM.
[[Page 17104]]
[GRAPHIC] [TIFF OMITTED] TP28MR16.019
(2) Revise Section 3 of the Normal Procedures section of the
applicable Boeing 737 AFM to include the text specified in figure 5
to paragraph (k)(2) of this AD. This may be done by inserting a copy
of this AD into the AFM. Alternative statements that meet the intent
of the following requirements may be used if approved by an
appropriate FAA principal operations inspector.
[[Page 17105]]
[GRAPHIC] [TIFF OMITTED] TP28MR16.020
BILLING CODE 4910-13-C
(l) Airworthiness Limitations (AWLs) Revision for Automatic Shutoff
System
Concurrently with accomplishment of the actions required by
paragraph (g) of this AD, or within 30 days after the effective date
of this AD, whichever occurs later: Revise the maintenance program
by incorporating the AWLs specified in paragraphs (l)(1), (l)(2),
(l)(3), and (l)(4) of this AD, as applicable. The initial compliance
time for the actions specified in the applicable AWLs is within 1
year after accomplishment of the installation required by paragraph
(g) of this AD, or within 1 year after the effective date of this
AD, whichever occurs later.
(1) For Model 737-100, -200, and -200C series airplanes without
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-AWL-21
of Section C, ``Fuel Systems Airworthiness Limitations,'' of Section
9 of the Boeing 737-100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification Maintenance Requirements
(CMRs), Document D6-38278-CMR, Revision June 2014.
(2) For Model 737-100, -200, and -200C series airplanes with
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-AWL-21
and AWL No. 28-AWL-22 of Section C, ``Fuel Systems Airworthiness
Limitations,'' of Section 9 of the Boeing 737-100/200/200C/300/400/
500 Airworthiness Limitations (AWLs) and Certification Maintenance
Requirements (CMRs), Document D6-38278-CMR, Revision June 2014.
(3) For Model 737-300, -400, and -500 series airplanes without
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-
[[Page 17106]]
AWL-20 of Section C, ``Fuel Systems Airworthiness Limitations,'' of
Section 9 of the Boeing 737-100/200/200C/300/400/500 Airworthiness
Limitations (AWLs) and Certification Maintenance Requirements
(CMRs), Document D6-38278-CMR, Revision June 2014.
(4) For Model 737-300, -400, and -500 series airplanes with
Boeing auxiliary fuel tanks installed: Incorporate AWL No. 28-AWL-20
and AWL No. 28-AWL-21 of Section C, ``Fuel Systems Airworthiness
Limitations,'' of Section 9 of the Boeing 737-100/200/200C/300/400/
500 Airworthiness Limitations (AWLs) and Certification Maintenance
Requirements (CMRs), Document D6-38278-CMR, Revision June 2014.
(m) Installation of Un-Commanded ON (UCO) Protection System
Within 60 months after the effective date of this AD, do the
actions required by paragraph (m)(1) or (m)(2) of this AD, as
applicable.
(1) For airplanes in Groups 2 through 13, as identified in
Boeing Alert Service Bulletin 737-28A1227, Revision 2, dated
September 23, 2014: Install the UCO protection system for the center
and auxiliary tank fuel boost pumps, as applicable, in accordance
with the Accomplishment Instructions of Boeing Alert Service
Bulletin 737-28A1227, Revision 2, dated September 23, 2014. For
airplanes with enlarged J2802 box assembly relay cutouts to fit the
body of relays R3334, R3336, R3338, or R3340, with BACS12HN08-10
screws for the installation of the relays as specified in
Information Notice 737-28A1227 IN 05: Accomplishment of the actions
specified in Boeing Alert Service Bulletin 737-28A1227, dated August
2, 2010, or Revision 1, dated July 18, 2011, is acceptable for
compliance with the requirements of this paragraph, provided markers
are installed that identify the function of the switches installed
on the J2802 box within 90 days after the effective date of this AD,
in accordance with figure 1 or figure 5, as applicable, of Boeing
Alert Service Bulletin 737-28A1227, Revision 2, dated September 23,
2014.
(2) For airplanes in Group 1, as identified in Boeing Alert
Service Bulletin 737-28A1227, Revision 2, dated September 23, 2014:
Install the UCO protection system for the center and auxiliary tank
fuel boost pumps, as applicable, using a method approved in
accordance with the procedures specified in paragraph (r) of this
AD.
(n) AWLs Revision for UCO Protection System
Concurrently with accomplishment of the actions required by
paragraph (m) of this AD, or within 30 days after the effective date
of this AD, whichever occurs later: Revise the maintenance program
by incorporating the AWLs specified in paragraphs (n)(1), (n)(2),
(n)(3), and (n)(4) of this AD, as applicable. The initial compliance
time for the actions specified in applicable AWLs is within 1 year
after accomplishment of the installation required by paragraph (m)
of this AD, or within 1 year after the effective date of this AD,
whichever occurs later.
(1) For Model 737-100, -200, and -200C series airplanes without
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-24 of
Section C, ``Fuel Systems Airworthiness Limitations,'' of Section 9
of the Boeing 737-100/200/200C/300/400/500 Airworthiness Limitations
(AWLs) and Certification Maintenance Requirements (CMRs), Document
D6-38278-CMR, Revision June 2014.
(2) For Model 737-100, -200, and -200C series airplanes with
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-24 and AWL
No. 28-AWL-25 of Section C, ``Fuel Systems Airworthiness
Limitations,'' of Section 9 of the Boeing 737-100/200/200C/300/400/
500 Airworthiness Limitations (AWLs) and Certification Maintenance
Requirements (CMRs), Document D6-38278-CMR, Revision June 2014.
(3) For Model 737-300, -400, and -500 series airplanes without
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-23 of
Section C, ``Fuel Systems Airworthiness Limitations,'' of Section 9
of the Boeing 737-100/200/200C/300/400/500 Airworthiness Limitations
(AWLs) and Certification Maintenance Requirements (CMRs), Document
D6-38278-CMR, Revision June 2014.
(4) For Model 737-300, -400, and -500 series airplanes with
Boeing auxiliary fuel tanks: Incorporate AWL No. 28-AWL-23 and AWL
No. 28-AWL-24 of Section C, ``Fuel Systems Airworthiness
Limitations,'' of Section 9 of the Boeing 737-100/200/200C/300/400/
500 Airworthiness Limitations (AWLs) and Certification Maintenance
Requirements (CMRs), Document D6-38278-CMR, Revision June 2014.
(o) No Alternative Inspections or Inspection Intervals
After accomplishment of the applicable actions specified in
paragraphs (l) and (n) of this AD, no alternative inspections or
inspection intervals may be used unless the inspections or
inspection intervals are approved as an alternative method of
compliance (AMOC) in accordance with the procedures specified in
paragraph (r) of this AD.
(p) Method of Compliance for Paragraph (l) of This AD
Incorporating AWLs No. 28-AWL-21 and No. 28-AWL-22 for Model
737-100, -200, and -200C series airplanes; and AWLs No. 28-AWL-20
and No. 28-AWL-21 for Model 737-300, -400, and -500 series
airplanes; in accordance with paragraphs (g)(1) and (g)(2) of AD
2008-10-09 R1, Amendment 39-16148 (74 FR 69264, December 31, 2009),
is acceptable for compliance with the corresponding AWL
incorporation required by paragraph (l) of this AD.
(q) Method of Compliance for Paragraph (a) of AD 2001-08-24, Amendment
39-12201 (66 FR 20733, April 25, 2001)
Accomplishment of the actions required by paragraphs (g), (h),
(i), and (l) of this AD, and paragraph (j) or (k) of this AD as
applicable, is an acceptable method of compliance with the
requirements of paragraph (a) of AD 2001-08-24, Amendment 39-12201
(66 FR 20733, April 25, 2001).
(r) Alternative Methods of Compliance (AMOCs)
(1) The Manager, Seattle Aircraft Certification Office (ACO),
FAA, has the authority to approve AMOCs for this AD, if requested
using the procedures found in 14 CFR 39.19. In accordance with 14
CFR 39.19, send your request to your principal inspector or local
Flight Standards District Office, as appropriate. If sending
information directly to the manager of the ACO, send it to the
attention of the person identified in paragraph (s)(1) of this AD.
Information may be emailed to 9-ANM-Seattle-ACO-AMOC-Requests@faa.gov.
(2) Before using any approved AMOC, notify your appropriate
principal inspector, or lacking a principal inspector, the manager
of the local flight standards district office/certificate holding
district office.
(3) An AMOC that provides an acceptable level of safety may be
used for any repair, modification, or alteration required by this AD
if it is approved by the Boeing Commercial Airplanes Organization
Designation Authorization (ODA) that has been authorized by the
Manager, Seattle ACO, to make those findings. To be approved, the
repair method, modification deviation, or alteration deviation must
meet the certification basis of the airplane, and the approval must
specifically refer to this AD.
(s) Related Information
(1) For more information about this AD, contact Christopher
Baker, Aerospace Engineer, Propulsion Branch, ANM-140S, FAA, Seattle
ACO, 1601 Lind Avenue SW., Renton, WA 98057-3356; phone: 425-917-
6498; fax: 425-917-6590; email: Christopher.R.Baker@faa.gov.
(2) For Boeing service information identified in this AD,
contact Boeing Commercial Airplanes, Attention: Data & Services
Management, P.O. Box 3707, MC 2H-65, Seattle, WA 98124-2207;
telephone: 206-544-5000, extension 1; fax: 206-766-5680; Internet
https://www.myboeingfleet.com. For BAE Systems service information
identified in this AD, contact BAE Systems, Attention: Commercial
Product Support, 600 Main Street, Room S18C, Johnson City, NY 13790-
1806; phone: 607-770-3084; fax: 607-770-3015; email: CS-Customer.Service@baesystems.com; Internet: https://www.baesystems-ps.com/customersupport. You may view this referenced service
information at the FAA, Transport Airplane Directorate, 1601 Lind
Avenue SW., Renton, WA. For information on the availability of this
material at the FAA, call 425-227-1221.
Issued in Renton, Washington, on February 25, 2016.
Dionne Palermo,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2016-04966 Filed 3-25-16; 8:45 am]
BILLING CODE 4910-13-P
