Airworthiness Directives; Learjet, Inc., Airplanes, 18084-18087 [2017-07551]
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Federal Register / Vol. 82, No. 72 / Monday, April 17, 2017 / Rules and Regulations
(f) Compliance
Comply with this AD within the
compliance times specified, unless already
done.
(g) Required Actions
Within 12 months after the effective date
of this AD, replace the main fuel oil heat
exchanger with a part eligible for installation.
(h) Definition
For the purposes of this AD, a part eligible
for installation is a main fuel oil heat
exchanger:
(1) That has been repaired in accordance
with the Accomplishment Instructions,
paragraphs 3.C.(2) through 3.C.(7), of GE SB
GE90–100 S/B 79–0034, Revision 03, dated
August 5, 2016; or GE SB GE90 S/B 79–0058,
Revision 02, dated August 05, 2016; or
(2) with an S/N not listed in paragraph 1.A.
of GE SB GE90–100 S/B 79–0034, Revision
03, dated August 05, 2016; or SB GE90 S/B
79–0058, Revision 02, dated August 05, 2016.
(i) Credit for Previous Actions
You may take credit for the replacement
that is required by paragraph (g) of this AD
if you performed the replacement before the
effective date of this AD using a main fuel
oil heat exchanger repaired in accordance
with the Accomplishment Instructions,
paragraphs 3.C.(2) through 3.C.(7), of GE SB
GE90–100 S/B 79–0034, Revision 02, dated
November 6, 2015, or earlier versions; or GE
SB GE90 S/B 79–0058, Revision 01, dated
December 10, 2015, or earlier versions.
(j) Alternative Methods of Compliance
(AMOCs)
The Manager, Engine Certification Office,
FAA, may approve AMOCs for this AD. Use
the procedures found in 14 CFR 39.19 to
make your request. You may email your
request to: ANE-AD-AMOC@faa.gov.
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(k) Related Information
For more information about this AD,
contact John Frost, Aerospace Engineer,
Engine Certification Office, FAA, 1200
District Avenue, Burlington, MA 01803;
phone: 781–238–7756; fax: 781–238–7199;
email: john.frost@faa.gov.
(l) Material Incorporated by Reference
(1) The Director of the Federal Register
approved the incorporation by reference
(IBR) of the service information listed in this
paragraph under 5 U.S.C. 552(a) and 1 CFR
part 51.
(2) You must use this service information
as applicable to do the actions required by
this AD, unless the AD specifies otherwise.
(i) General Electric Company (GE) SB
GE90–100 S/B 79–0034, Revision 03, dated
August 5, 2016.
(ii) GE SB GE90 S/B 79–0058, Revision 02,
dated August 05, 2016.
(3) For GE service information identified in
this AD, contact General Electric Company,
GE-Aviation, Room 285, 1 Neumann Way,
Cincinnati, OH 45215, phone: 513–552–3272;
email: aviation.fleetsupport@ge.com.
(4) You may view this service information
at the FAA, Engine & Propeller Directorate,
1200 District Avenue, Burlington, MA. For
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15:52 Apr 14, 2017
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information on the availability of this
material at the FAA, call 781–238–7125.
(5) You may view this service information
at the National Archives and Records
Administration (NARA). For information on
the availability of this material at NARA, call
202–741–6030, or go to: https://
www.archives.gov/federal-register/cfr/ibrlocations.html.
Issued in Burlington, Massachusetts, on
April 5, 2017.
Carlos A. Pestana,
Acting Manager, Engine & Propeller
Directorate, Aircraft Certification Service.
[FR Doc. 2017–07677 Filed 4–14–17; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2016–9505; Directorate
Identifier 2016–NM–155–AD; Amendment
39–18856; AD 2017–08–07]
RIN 2120–AA64
Airworthiness Directives; Learjet, Inc.,
Airplanes
Federal Aviation
Administration (FAA), DOT.
ACTION: Final rule.
AGENCY:
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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–2016–
9505; 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 AD, the regulatory
evaluation, any comments received, and
other information. The address for the
Docket Office (phone: 800–647–5527) is
Docket Management Facility, U.S.
Department of Transportation, Docket
Operations, M–30, West Building
Ground Floor, Room W12–140, 1200
New Jersey Avenue SE., Washington,
DC 20590.
FOR FURTHER INFORMATION CONTACT: Paul
Chapman, Aerospace Engineer,
Airframe Branch, ACE–118W, FAA,
Wichita Aircraft Certification Office
(ACO), 1801 Airport Road, Room 100,
Dwight D. Eisenhower Airport, Wichita,
KS 67209; phone: 316–946–4152; fax:
316–946–4107; email: Wichita-COS@
faa.gov.
SUPPLEMENTARY INFORMATION:
We are adopting a new
airworthiness directive (AD) for certain
Learjet, Inc., Model 60 airplanes. This
AD was prompted by an evaluation by
the design approval holder (DAH)
indicating that the upper fuselage skin
under the aft oxygen line fairing is
subject to multi-site damage (MSD).
This AD requires a one-time inspection
of the fuselage skin for corrosion, and
related investigative and corrective
actions if necessary. We are issuing this
AD to address the unsafe condition on
these products.
DATES: This AD is effective May 22,
2017.
The Director of the Federal Register
approved the incorporation by reference
of a certain publication listed in this AD
as of May 22, 2017.
ADDRESSES: For service information
identified in this final rule, contact
Learjet, Inc., One Learjet Way, Wichita,
KS 67209–2942; telephone: 316–946–
2000; fax: 316–946–2220; email: ac.ict@
aero.bombardier.com; Internet: https://
www.bombardier.com. 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. It is also available
on the Internet at https://
SUMMARY:
www.regulations.gov by searching for
and locating Docket No. FAA–2016–
9505.
Discussion
We issued a notice of proposed
rulemaking (NPRM) to amend 14 CFR
part 39 by adding an AD that would
apply to certain Learjet, Inc., Model 60
airplanes. The NPRM published in the
Federal Register on December 20, 2016
(81 FR 92745) (‘‘the NPRM’’). The
NPRM was prompted by an evaluation
by the DAH indicating that the upper
fuselage skin under the aft oxygen line
fairing is subject to MSD. The NPRM
proposed to require a one-time
inspection of the fuselage skin for
corrosion, and related investigative and
corrective actions if necessary. We are
issuing this AD to detect and correct
corrosion of the fuselage skin, which
could result in reduced structural
integrity of the airplane.
Comments
We gave the public the opportunity to
participate in developing this AD. The
following presents the comment
received on the NPRM and the FAA’s
response to that comment.
Request To Require Repetitive
Inspections
An anonymous commenter stated that
given the cause is unknown, a one-time
inspection is insufficient to protect
against corrosion. The commenter stated
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Federal Register / Vol. 82, No. 72 / Monday, April 17, 2017 / Rules and Regulations
that we should require more frequent
inspections.
We partially agree with the
commenter. We understand the concern
that repetitive inspections might be
necessary to reduce the damage caused
by corrosion. However, the required
inspection is considered to be interim
action, and in order to establish
meaningful inspection intervals without
causing excessive expense to operators,
this AD requires owners/operators to
report the extent of corrosion on their
airplanes along with the total time (i.e.,
flight hours) and total number of
landings on the airplanes. Using this
information, the FAA will be able to
gain a better understanding of the
damage to the fleet. This will allow us
to determine if additional corrective
action is needed and what the
appropriate action should be. It also will
provide justification as to whether or
not further rulemaking is needed. We
have not changed this AD in this regard.
Conclusion
We reviewed the relevant data,
considered the comment received, and
determined that air safety and the
public interest require adopting this AD
as proposed, except for minor editorial
changes. We have determined that these
minor changes:
• Are consistent with the intent that
was proposed in the NPRM for
correcting the unsafe condition; and
• Do not add any additional burden
upon the public than was already
proposed in the NPRM.
Related Service Information Under 1
CFR Part 51
We reviewed Learjet 60 Service
Bulletin 60–53–19, Revision 3, dated
August 29, 2016. The service
information describes procedures for
inspections of the fuselage crown skin
for corrosion, and related investigative
and corrective actions if necessary. 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.
Interim Action
We consider this AD interim action.
Because the cause of the corrosion is not
known, the inspection reports will help
determine the extent of the corrosion in
the affected fleet. Based on the results
of these reports, we might determine
that further corrective action is
warranted. Once further corrective
action has been identified, we might
consider further rulemaking.
Costs of Compliance
We estimate that this AD affects 284
airplanes of U.S. registry. We estimate
the following costs to comply with this
AD:
ESTIMATED COSTS
Action
Labor cost
Inspections ..............................
Reporting ................................
46 work-hours × $85 per hour = $3,910 ................................
1 work-hour × $85 per hour = $85 .........................................
We have received no definitive data
that would enable us to provide cost
estimates for the on-condition actions
specified in this AD.
According to the manufacturer, some
of the costs of this AD may be covered
under warranty, thereby reducing the
cost impact on affected individuals. We
do not control warranty coverage for
affected individuals. As a result, we
have included all costs in our cost
estimate.
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Paperwork Reduction Act
A federal agency may not conduct or
sponsor, and a person is not required to
respond to, nor shall a person be subject
to penalty for failure to comply with a
collection of information subject to the
requirements of the Paperwork
Reduction Act unless that collection of
information displays a current valid
OMB control number. The control
number for the collection of information
required by this AD is 2120–0056. The
paperwork cost associated with this AD
has been detailed in the Costs of
Compliance section of this document
and includes time for reviewing
instructions, as well as completing and
reviewing the collection of information.
Therefore, all reporting associated with
this AD is mandatory. Comments
concerning the accuracy of this burden
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15:52 Apr 14, 2017
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Parts cost
and suggestions for reducing the burden
should be directed to the FAA at 800
Independence Ave. SW., Washington,
DC 20591, ATTN: Information
Collection Clearance Officer, AES–200.
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
This AD will not have federalism
implications under Executive Order
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$265
0
Cost per
product
Cost on U.S.
operators
$4,175
85
$1,185,700
24,140
13132. This AD will 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 that this AD:
(1) Is not a ‘‘significant regulatory
action’’ under Executive Order 12866,
(2) Is not a ‘‘significant rule’’ under
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.
Adoption of the Amendment
Accordingly, under the authority
delegated to me by the Administrator,
the FAA amends 14 CFR part 39 as
follows:
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Federal Register / Vol. 82, No. 72 / Monday, April 17, 2017 / Rules and Regulations
airworthiness certificate or the date of
issuance of the original export certificate of
airworthiness as of the effective date of this
AD: Within 36 months after the effective date
of this AD.
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):
■
2017–08–07 Learjet, Inc.: Amendment 39–
18856; Docket No. FAA–2016–9505;
Directorate Identifier 2016–NM–155–AD.
(a) Effective Date
This AD is effective May 22, 2017.
(b) Affected ADs
None.
(c) Applicability
This AD applies to Learjet, Inc., Model 60
airplanes, certificated in any category, serial
numbers 60–002 through 60–430 inclusive.
(d) Subject
Air Transport Association (ATA) of
America Code 53, Fuselage.
(e) Unsafe Condition
This AD was prompted by an evaluation by
the design approval holder indicating that
the upper fuselage skin under the aft oxygen
line fairing is subject to multi-site damage.
We are issuing this AD to detect and correct
corrosion of the fuselage skin, which could
result in reduced structural integrity of the
airplane.
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(f) Compliance
Comply with this AD within the
compliance times specified, unless already
done.
(g) Inspection of the Fuselage Skin, and
Related Investigative and Corrective Actions
At the applicable time specified in
paragraph (g)(1), (g)(2), or (g)(3) of this AD:
Do a fluorescent dye penetrant inspection of
the fuselage skin between stringers (S)–2L
and S–2R for corrosion; and do all applicable
related investigative and corrective actions;
in accordance with the Accomplishment
Instructions of Learjet 60 Service Bulletin
60–53–19, Revision 3, dated August 29, 2016,
except as required by paragraph (h) of this
AD. Do all applicable related investigative
and corrective actions before further flight.
(1) For airplanes with more than 12 years
since the date of issuance of the original
airworthiness certificate or the date of
issuance of the original export certificate of
airworthiness as of the effective date of this
AD: Within 12 months after the effective date
of this AD.
(2) For airplanes with more than 6 years
but equal to or less than 12 years since the
date of issuance of the original airworthiness
certificate or the date of issuance of the
original export certificate of airworthiness as
of the effective date of this AD: Within 24
months after the effective date of this AD.
(3) For airplanes with 6 years or less since
the date of issuance of the original
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15:52 Apr 14, 2017
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(h) Service Information Exception
Where Learjet 60 Service Bulletin 60–53–
19, Revision 3, dated August 29, 2016,
specifies contacting Learjet, Inc., for
appropriate action: Before further flight,
repair using a method approved in
accordance with the procedures specified in
paragraph (l) of this AD.
(i) Reporting
At the applicable time specified in
paragraph (i)(1) or (i)(2) of this AD: Submit
a report of the findings (both positive and
negative) of the inspection required by the
introductory text of paragraph (g) of this AD
to: Wichita-COS@faa.gov; or Ann Johnson,
Wichita Aircraft Certification Office (ACO),
1801 Airport Road, Wichita, KS 67209. The
report must include the name of the owner,
the address of the owner, the name of the
organization incorporating Learjet 60 Service
Bulletin 60–53–19, the date that inspection
was completed, the name of the person
submitting the report, the address, telephone
number, and email of the person submitting
the report, the airplane serial number, the
total time (flight hours) on the airplane, the
total number of landings on the airplane,
whether corrosion was detected, whether
corrosion was repaired, the structural repair
manual (SRM) chapter and revision used (if
repaired), and whether corrosion exceeded
the minimum thickness specified in Learjet
60 Service Bulletin 60–53–19 (and specify
the SRM chapter and revision, if used as an
aid to determine minimum thickness).
(1) If the inspection was done on or after
the effective date of this AD: Submit the
report within 30 days after the inspection.
(2) If the inspection was done before the
effective date of this AD: Submit the report
within 30 days after the effective date of this
AD.
(j) Credit for Previous Actions
This paragraph provides credit for the
actions specified in the introductory text to
paragraph (g) of this AD, if those actions were
performed before the effective date of this AD
using Learjet 60 Service Bulletin 60–53–19,
dated November 23, 2015; Learjet 60 Service
Bulletin 60–53–19, Revision 1, dated April 4,
2016; or Learjet 60 Service Bulletin 60–53–
19, Revision 2, dated April 18, 2016.
(k) Paperwork Reduction Act Burden
Statement
A federal agency may not conduct or
sponsor, and a person is not required to
respond to, nor shall a person be subject to
a penalty for failure to comply with a
collection of information subject to the
requirements of the Paperwork Reduction
Act unless that collection of information
displays a current valid OMB Control
Number. The OMB Control Number for this
information collection is 2120–0056. Public
reporting for this collection of information is
estimated to be approximately 5 minutes per
response, including the time for reviewing
instructions, completing and reviewing the
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collection of information. All responses to
this collection of information are mandatory.
Comments concerning the accuracy of this
burden and suggestions for reducing the
burden should be directed to the FAA at: 800
Independence Ave. SW., Washington, DC
20591, Attn: Information Collection
Clearance Officer, AES–200.
(l) Alternative Methods of Compliance
(AMOCs)
(1) The Manager, Wichita 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 (m)(1) of this AD.
(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 a Learjet, Inc.,
Designated Engineering Representative
(DER), or a Unit Member (UM) of the Learjet
Organization Designation Authorization
(ODA), that has been authorized by the
Manager, Wichita ACO, to make those
findings. To be approved, the repair,
modification deviation, or alteration
deviation must meet the certification basis of
the airplane, and the approval must
specifically refer to this AD.
(m) Related Information
(1) For more information about this AD,
contact Paul Chapman, Aerospace Engineer,
Airframe Branch, ACE–118W, FAA, Wichita
ACO, 1801 Airport Road, Room 100, Dwight
D. Eisenhower Airport, Wichita, KS 67209;
phone: 316–946–4152; fax: 316–946–4107;
email: Wichita-COS@faa.gov.
(2) Service information identified in this
AD that is not incorporated by reference is
available at the addresses specified in
paragraphs (n)(3) and (n)(4) of this AD.
(n) Material Incorporated by Reference
(1) The Director of the Federal Register
approved the incorporation by reference
(IBR) of the service information listed in this
paragraph under 5 U.S.C. 552(a) and 1 CFR
part 51.
(2) You must use this service information
as applicable to do the actions required by
this AD, unless the AD specifies otherwise.
(i) Learjet 60 Service Bulletin 60–53–19,
Revision 3, dated August 29, 2016.
(ii) Reserved.
(3) For Learjet, Inc., service information
identified in this AD, contact Learjet, Inc.,
One Learjet Way, Wichita, KS 67209–2942;
telephone: 316–946–2000; fax: 316–946–
2220; email: ac.ict@aero.bombardier.com;
Internet: https://www.bombardier.com.
(4) You may view this 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.
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(5) You may view this service information
that is incorporated by reference at the
National Archives and Records
Administration (NARA). For information on
the availability of this material at NARA, call
202–741–6030, or go to: https://
www.archives.gov/federal-register/cfr/ibrlocations.html.
Issued in Renton, Washington, on April 7,
2017.
Michael Kaszycki,
Acting Manager, Transport Airplane
Directorate, Aircraft Certification Service.
[FR Doc. 2017–07551 Filed 4–14–17; 8:45 am]
BILLING CODE 4910–13–P
DEPARTMENT OF HOMELAND
SECURITY
Coast Guard
33 CFR Part 117
[Docket Number USCG–2017–0179]
Drawbridge Operation Regulation;
Upper Mississippi River, Rock Island,
IL
Coast Guard, DHS.
Notice of deviation from
drawbridge regulation.
AGENCY:
ACTION:
The Coast Guard has issued a
temporary deviation from the operating
schedule that governs the Rock Island
Railroad and Highway Drawbridge
across the Upper Mississippi River, mile
482.9, at Rock Island, Illinois. The
deviation is necessary to allow the Quad
City Heart Walk to cross the bridge. This
deviation allows the bridge to be
maintained in the closed-to-navigation
position for two and one half hours.
DATES: This deviation is effective from
8:30 a.m. to 11 a.m. on May 20, 2017.
ADDRESSES: The docket for this
deviation, [USCG–2017–0179] is
available at https://www.regulations.gov.
Type the docket number in the
‘‘SEARCH’’ box and click ‘‘SEARCH.’’
Click on Open Docket Folder on the line
associated with this deviation.
FOR FURTHER INFORMATION CONTACT: If
you have questions on this temporary
deviation, call or email Eric A.
Washburn, Bridge Administrator,
Western Rivers, Coast Guard; telephone
314–269–2378, email Eric.Washburn@
uscg.mil.
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SUMMARY:
The U.S.
Army Rock Island Arsenal requested a
temporary deviation for the Rock Island
Railroad and Highway Drawbridge,
across the Upper Mississippi River, mile
482.9, at Rock Island, Illinois to remain
in the closed-to-navigation position for
a two and 1⁄2 hour period from 8:30 a.m.
SUPPLEMENTARY INFORMATION:
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Jkt 241001
to 11 a.m., May 20, 2017, while the
Quad Cities Heart Walk is held between
the cities of Davenport, IA and Rock
Island, IL.
The Rock Island Railroad and
Highway Drawbridge currently operates
in accordance with 33 CFR 117.5, which
states the general requirement that
drawbridges shall open promptly and
fully for the passage of vessels when a
request to open is given in accordance
with the subpart.
There are no alternate routes for
vessels transiting this section of the
Upper Mississippi River.
The Rock Island Railroad and
Highway Drawbridge has a vertical
clearance of 23.8 feet above normal pool
in the closed-to-navigation position.
Navigation on the waterway consists
primarily of commercial tows and
recreational watercraft. This temporary
deviation has been coordinated with
waterway users. No objections were
received.
In accordance with 33 CFR 117.35(e),
the drawbridge must return to its regular
operating schedule immediately at the
end of the effective period of this
temporary deviation. This deviation
from the operating regulations is
authorized under 33 CFR 117.35.
Dated: March 31, 2017.
Eric A. Washburn,
Bridge Administrator, Western Rivers.
[FR Doc. 2017–07721 Filed 4–14–17; 8:45 am]
BILLING CODE 9110–04–P
DEPARTMENT OF HOMELAND
SECURITY
Coast Guard
33 CFR Part 117
[Docket No. USCG–2017–0229]
Drawbridge Operation Regulation; Mill
River, New Haven, CT
Coast Guard, DHS.
Notice of deviation from
drawbridge regulation.
AGENCY:
ACTION:
The Coast Guard has issued a
temporary deviation from the operating
schedule that governs the Chapel Street
Bridge across the Mill River, mile 0.4 at
New Haven, Connecticut. This deviation
is necessary to complete mortar and
fender repairs as well as structural steel
work. This deviation allows the bridge
to open for the passage of vessels upon
2 hours of advance notice.
DATES: This deviation is effective
without actual notice from April 17,
2017 through 11:59 p.m. on May 5,
2017. For the purposes of enforcement,
SUMMARY:
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18087
actual notice will be used from 12:01
a.m. on April 3, 2017, until April 17,
2017.
The docket for this
deviation, USCG–2017–0229 is available
at https://www.regulations.gov. Type the
docket number in the ‘‘SEARCH’’ box
and click ‘‘SEARCH’’. Click on Open
Docket Folder on the line associated
with this deviation.
ADDRESSES:
If
you have questions on this temporary
deviation, call or email James M. Moore,
Bridge Management Specialist, First
District Bridge Branch, U.S. Coast
Guard; telephone 212–514–4334, email
james.m.moore2@uscg.mil.
FOR FURTHER INFORMATION CONTACT:
The City
of New Haven, the owner of the bridge,
requested a temporary deviation from
the normal operating schedule to
facilitate rehabilitation of the bridge.
The Chapel Street Bridge, across the
Mill River, mile 0.4 at New Haven,
Connecticut offers mariners a vertical
clearance of 7.88 feet at mean high
water and 13.99 feet at mean low water
in the closed position. The existing
drawbridge operating regulations are
listed at 33 CFR 117.213(d). The bridge
routinely opens for commercial vessels,
but mariners have indicated the
requirement for 2 hours of advance
notice will not impede routine
waterway operations.
Under this temporary deviation, the
Chapel Street Bridge will open for the
passage of vessels requiring an opening
provided 2 hours of advance notice is
furnished to the owner of the bridge;
except that, from 7:30 a.m. to 8:30 a.m.
and 4:45 p.m. to 5:45 p.m., Monday
through Friday, except Federal holidays,
the draw need not open for the passage
of vessel traffic.
Vessels that can pass under the bridge
without an opening may do so at all
times. The bridge will be able to open
for emergencies. There is no alternate
route for vessels to pass.
The Coast Guard will also inform the
users of the waterways through our
Local and Broadcast Notices to Mariners
of the change in operating schedule for
the bridge so that vessel operators can
arrange their transits to minimize any
impact caused by the temporary
deviation.
In accordance with 33 CFR 117.35(e),
the drawbridge must return to its regular
operating schedule immediately at the
end of the effective period of this
temporary deviation. This deviation
from the operating regulations is
authorized under 33 CFR 117.35.
SUPPLEMENTARY INFORMATION:
E:\FR\FM\17APR1.SGM
17APR1
Agencies
[Federal Register Volume 82, Number 72 (Monday, April 17, 2017)]
[Rules and Regulations]
[Pages 18084-18087]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2017-07551]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2016-9505; Directorate Identifier 2016-NM-155-AD;
Amendment 39-18856; AD 2017-08-07]
RIN 2120-AA64
Airworthiness Directives; Learjet, Inc., Airplanes
AGENCY: Federal Aviation Administration (FAA), DOT.
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: We are adopting a new airworthiness directive (AD) for certain
Learjet, Inc., Model 60 airplanes. This AD was prompted by an
evaluation by the design approval holder (DAH) indicating that the
upper fuselage skin under the aft oxygen line fairing is subject to
multi-site damage (MSD). This AD requires a one-time inspection of the
fuselage skin for corrosion, and related investigative and corrective
actions if necessary. We are issuing this AD to address the unsafe
condition on these products.
DATES: This AD is effective May 22, 2017.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of May 22,
2017.
ADDRESSES: For service information identified in this final rule,
contact Learjet, Inc., One Learjet Way, Wichita, KS 67209-2942;
telephone: 316-946-2000; fax: 316-946-2220; email:
ac.ict@aero.bombardier.com; Internet: https://www.bombardier.com. 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. It
is also available on the Internet at https://www.regulations.gov by
searching for and locating Docket No. FAA-2016-9505.
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-2016-
9505; 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 AD, the regulatory evaluation, any comments received, and
other information. The address for the Docket Office (phone: 800-647-
5527) is Docket Management Facility, U.S. Department of Transportation,
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200
New Jersey Avenue SE., Washington, DC 20590.
FOR FURTHER INFORMATION CONTACT: Paul Chapman, Aerospace Engineer,
Airframe Branch, ACE-118W, FAA, Wichita Aircraft Certification Office
(ACO), 1801 Airport Road, Room 100, Dwight D. Eisenhower Airport,
Wichita, KS 67209; phone: 316-946-4152; fax: 316-946-4107; email:
Wichita-COS@faa.gov.
SUPPLEMENTARY INFORMATION:
Discussion
We issued a notice of proposed rulemaking (NPRM) to amend 14 CFR
part 39 by adding an AD that would apply to certain Learjet, Inc.,
Model 60 airplanes. The NPRM published in the Federal Register on
December 20, 2016 (81 FR 92745) (``the NPRM''). The NPRM was prompted
by an evaluation by the DAH indicating that the upper fuselage skin
under the aft oxygen line fairing is subject to MSD. The NPRM proposed
to require a one-time inspection of the fuselage skin for corrosion,
and related investigative and corrective actions if necessary. We are
issuing this AD to detect and correct corrosion of the fuselage skin,
which could result in reduced structural integrity of the airplane.
Comments
We gave the public the opportunity to participate in developing
this AD. The following presents the comment received on the NPRM and
the FAA's response to that comment.
Request To Require Repetitive Inspections
An anonymous commenter stated that given the cause is unknown, a
one-time inspection is insufficient to protect against corrosion. The
commenter stated
[[Page 18085]]
that we should require more frequent inspections.
We partially agree with the commenter. We understand the concern
that repetitive inspections might be necessary to reduce the damage
caused by corrosion. However, the required inspection is considered to
be interim action, and in order to establish meaningful inspection
intervals without causing excessive expense to operators, this AD
requires owners/operators to report the extent of corrosion on their
airplanes along with the total time (i.e., flight hours) and total
number of landings on the airplanes. Using this information, the FAA
will be able to gain a better understanding of the damage to the fleet.
This will allow us to determine if additional corrective action is
needed and what the appropriate action should be. It also will provide
justification as to whether or not further rulemaking is needed. We
have not changed this AD in this regard.
Conclusion
We reviewed the relevant data, considered the comment received, and
determined that air safety and the public interest require adopting
this AD as proposed, except for minor editorial changes. We have
determined that these minor changes:
Are consistent with the intent that was proposed in the
NPRM for correcting the unsafe condition; and
Do not add any additional burden upon the public than was
already proposed in the NPRM.
Related Service Information Under 1 CFR Part 51
We reviewed Learjet 60 Service Bulletin 60-53-19, Revision 3, dated
August 29, 2016. The service information describes procedures for
inspections of the fuselage crown skin for corrosion, and related
investigative and corrective actions if necessary. 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.
Interim Action
We consider this AD interim action. Because the cause of the
corrosion is not known, the inspection reports will help determine the
extent of the corrosion in the affected fleet. Based on the results of
these reports, we might determine that further corrective action is
warranted. Once further corrective action has been identified, we might
consider further rulemaking.
Costs of Compliance
We estimate that this AD affects 284 airplanes of U.S. registry. We
estimate the following costs to comply with this AD:
Estimated Costs
----------------------------------------------------------------------------------------------------------------
Cost per Cost on U.S.
Action Labor cost Parts cost product operators
----------------------------------------------------------------------------------------------------------------
Inspections........................ 46 work-hours x $85 per $265 $4,175 $1,185,700
hour = $3,910.
Reporting.......................... 1 work-hour x $85 per hour 0 85 24,140
= $85.
----------------------------------------------------------------------------------------------------------------
We have received no definitive data that would enable us to provide
cost estimates for the on-condition actions specified in this AD.
According to the manufacturer, some of the costs of this AD may be
covered under warranty, thereby reducing the cost impact on affected
individuals. We do not control warranty coverage for affected
individuals. As a result, we have included all costs in our cost
estimate.
Paperwork Reduction Act
A federal agency may not conduct or sponsor, and a person is not
required to respond to, nor shall a person be subject to penalty for
failure to comply with a collection of information subject to the
requirements of the Paperwork Reduction Act unless that collection of
information displays a current valid OMB control number. The control
number for the collection of information required by this AD is 2120-
0056. The paperwork cost associated with this AD has been detailed in
the Costs of Compliance section of this document and includes time for
reviewing instructions, as well as completing and reviewing the
collection of information. Therefore, all reporting associated with
this AD is mandatory. Comments concerning the accuracy of this burden
and suggestions for reducing the burden should be directed to the FAA
at 800 Independence Ave. SW., Washington, DC 20591, ATTN: Information
Collection Clearance Officer, AES-200.
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
This AD will not have federalism implications under Executive Order
13132. This AD will 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 that this AD:
(1) Is not a ``significant regulatory action'' under Executive
Order 12866,
(2) Is not a ``significant rule'' under 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.
Adoption of the Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 14 CFR part 39 as follows:
[[Page 18086]]
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):
2017-08-07 Learjet, Inc.: Amendment 39-18856; Docket No. FAA-2016-
9505; Directorate Identifier 2016-NM-155-AD.
(a) Effective Date
This AD is effective May 22, 2017.
(b) Affected ADs
None.
(c) Applicability
This AD applies to Learjet, Inc., Model 60 airplanes,
certificated in any category, serial numbers 60-002 through 60-430
inclusive.
(d) Subject
Air Transport Association (ATA) of America Code 53, Fuselage.
(e) Unsafe Condition
This AD was prompted by an evaluation by the design approval
holder indicating that the upper fuselage skin under the aft oxygen
line fairing is subject to multi-site damage. We are issuing this AD
to detect and correct corrosion of the fuselage skin, which could
result in reduced structural integrity of the airplane.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Inspection of the Fuselage Skin, and Related Investigative and
Corrective Actions
At the applicable time specified in paragraph (g)(1), (g)(2), or
(g)(3) of this AD: Do a fluorescent dye penetrant inspection of the
fuselage skin between stringers (S)-2L and S-2R for corrosion; and
do all applicable related investigative and corrective actions; in
accordance with the Accomplishment Instructions of Learjet 60
Service Bulletin 60-53-19, Revision 3, dated August 29, 2016, except
as required by paragraph (h) of this AD. Do all applicable related
investigative and corrective actions before further flight.
(1) For airplanes with more than 12 years since the date of
issuance of the original airworthiness certificate or the date of
issuance of the original export certificate of airworthiness as of
the effective date of this AD: Within 12 months after the effective
date of this AD.
(2) For airplanes with more than 6 years but equal to or less
than 12 years since the date of issuance of the original
airworthiness certificate or the date of issuance of the original
export certificate of airworthiness as of the effective date of this
AD: Within 24 months after the effective date of this AD.
(3) For airplanes with 6 years or less since the date of
issuance of the original airworthiness certificate or the date of
issuance of the original export certificate of airworthiness as of
the effective date of this AD: Within 36 months after the effective
date of this AD.
(h) Service Information Exception
Where Learjet 60 Service Bulletin 60-53-19, Revision 3, dated
August 29, 2016, specifies contacting Learjet, Inc., for appropriate
action: Before further flight, repair using a method approved in
accordance with the procedures specified in paragraph (l) of this
AD.
(i) Reporting
At the applicable time specified in paragraph (i)(1) or (i)(2)
of this AD: Submit a report of the findings (both positive and
negative) of the inspection required by the introductory text of
paragraph (g) of this AD to: Wichita-COS@faa.gov; or Ann Johnson,
Wichita Aircraft Certification Office (ACO), 1801 Airport Road,
Wichita, KS 67209. The report must include the name of the owner,
the address of the owner, the name of the organization incorporating
Learjet 60 Service Bulletin 60-53-19, the date that inspection was
completed, the name of the person submitting the report, the
address, telephone number, and email of the person submitting the
report, the airplane serial number, the total time (flight hours) on
the airplane, the total number of landings on the airplane, whether
corrosion was detected, whether corrosion was repaired, the
structural repair manual (SRM) chapter and revision used (if
repaired), and whether corrosion exceeded the minimum thickness
specified in Learjet 60 Service Bulletin 60-53-19 (and specify the
SRM chapter and revision, if used as an aid to determine minimum
thickness).
(1) If the inspection was done on or after the effective date of
this AD: Submit the report within 30 days after the inspection.
(2) If the inspection was done before the effective date of this
AD: Submit the report within 30 days after the effective date of
this AD.
(j) Credit for Previous Actions
This paragraph provides credit for the actions specified in the
introductory text to paragraph (g) of this AD, if those actions were
performed before the effective date of this AD using Learjet 60
Service Bulletin 60-53-19, dated November 23, 2015; Learjet 60
Service Bulletin 60-53-19, Revision 1, dated April 4, 2016; or
Learjet 60 Service Bulletin 60-53-19, Revision 2, dated April 18,
2016.
(k) Paperwork Reduction Act Burden Statement
A federal agency may not conduct or sponsor, and a person is not
required to respond to, nor shall a person be subject to a penalty
for failure to comply with a collection of information subject to
the requirements of the Paperwork Reduction Act unless that
collection of information displays a current valid OMB Control
Number. The OMB Control Number for this information collection is
2120-0056. Public reporting for this collection of information is
estimated to be approximately 5 minutes per response, including the
time for reviewing instructions, completing and reviewing the
collection of information. All responses to this collection of
information are mandatory. Comments concerning the accuracy of this
burden and suggestions for reducing the burden should be directed to
the FAA at: 800 Independence Ave. SW., Washington, DC 20591, Attn:
Information Collection Clearance Officer, AES-200.
(l) Alternative Methods of Compliance (AMOCs)
(1) The Manager, Wichita 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
(m)(1) of this AD.
(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 a Learjet, Inc., Designated Engineering
Representative (DER), or a Unit Member (UM) of the Learjet
Organization Designation Authorization (ODA), that has been
authorized by the Manager, Wichita ACO, to make those findings. To
be approved, the repair, modification deviation, or alteration
deviation must meet the certification basis of the airplane, and the
approval must specifically refer to this AD.
(m) Related Information
(1) For more information about this AD, contact Paul Chapman,
Aerospace Engineer, Airframe Branch, ACE-118W, FAA, Wichita ACO,
1801 Airport Road, Room 100, Dwight D. Eisenhower Airport, Wichita,
KS 67209; phone: 316-946-4152; fax: 316-946-4107; email: Wichita-COS@faa.gov.
(2) Service information identified in this AD that is not
incorporated by reference is available at the addresses specified in
paragraphs (n)(3) and (n)(4) of this AD.
(n) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference (IBR) of the service information listed
in this paragraph under 5 U.S.C. 552(a) and 1 CFR part 51.
(2) You must use this service information as applicable to do
the actions required by this AD, unless the AD specifies otherwise.
(i) Learjet 60 Service Bulletin 60-53-19, Revision 3, dated
August 29, 2016.
(ii) Reserved.
(3) For Learjet, Inc., service information identified in this
AD, contact Learjet, Inc., One Learjet Way, Wichita, KS 67209-2942;
telephone: 316-946-2000; fax: 316-946-2220; email:
ac.ict@aero.bombardier.com; Internet: https://www.bombardier.com.
(4) You may view this 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.
[[Page 18087]]
(5) You may view this service information that is incorporated
by reference at the National Archives and Records Administration
(NARA). For information on the availability of this material at
NARA, call 202-741-6030, or go to: https://www.archives.gov/federal-register/cfr/ibr-locations.html.
Issued in Renton, Washington, on April 7, 2017.
Michael Kaszycki,
Acting Manager, Transport Airplane Directorate, Aircraft Certification
Service.
[FR Doc. 2017-07551 Filed 4-14-17; 8:45 am]
BILLING CODE 4910-13-P