Airworthiness Directives; De Havilland Aircraft of Canada Limited (Type Certificate Previously Held by Bombardier, Inc.) Airplanes, 7568-7572 [2023-02370]
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Federal Register / Vol. 88, No. 24 / Monday, February 6, 2023 / Rules and Regulations
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:
■
2023–02–15 Airbus SAS Airplanes:
Amendment 39–22322; Docket No.
FAA–2023–0155; Project Identifier
MCAI–2022–01634–T.
(a) Effective Date
This airworthiness directive (AD) is
effective February 21, 2023.
(b) Affected ADs
None.
(c) Applicability
This AD applies to all Airbus SAS Model
A350–941 airplanes, certificated in any
category.
(d) Subject
Air Transport Association (ATA) of
America Code 32, Landing Gear.
(e) Unsafe Condition
This AD was prompted by reports of main
landing gear (MLG) bogie pivot pins with
damaged high velocity oxygen fuel (HVOF)
coating, which resulted from heating caused
by friction between the MLG bogie pivot pin
and the bushes. The FAA is issuing this AD
to address MLG bogie pivot pins with
damaged HVOF coating, which could lead to
MLG collapse, possibly resulting in damage
to the airplane and injury to occupants.
(f) Compliance
Comply with this AD within the
compliance times specified, unless already
done.
(g) Requirements
Except as specified in paragraph (h) of this
AD: Comply with all required actions and
compliance times specified in, and in
accordance with, European Union Aviation
Safety Agency (EASA) AD 2022–0263, dated
December 21, 2022 (EASA AD 2022–0263).
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(h) Exceptions to EASA AD 2022–0263
(1) Where EASA AD 2022–0263 refers to its
effective date, this AD requires using the
effective date of this AD.
(2) This AD does not adopt the ‘‘Remarks’’
section of EASA AD 2022–0263.
(i) Additional AD Provisions
The following provisions also apply to this
AD:
(1) Alternative Methods of Compliance
(AMOCs): The Manager, International
Validation Branch, 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
responsible Flight Standards Office, as
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appropriate. If sending information directly
to the International Validation Branch, send
it to the attention of the person identified in
paragraph (j) of this AD. Information may be
emailed to: 9-AVS-AIR-730-AMOC@faa.gov.
Before using any approved AMOC, notify
your appropriate principal inspector, or
lacking a principal inspector, the manager of
the responsible Flight Standards Office.
(2) Contacting the Manufacturer: For any
requirement in this AD to obtain instructions
from a manufacturer, the instructions must
be accomplished using a method approved
by the Manager, International Validation
Branch, FAA; or EASA; or Airbus SAS’s
EASA Design Organization Approval (DOA).
If approved by the DOA, the approval must
include the DOA-authorized signature.
(3) Required for Compliance (RC): Except
as required by paragraph (i)(2) of this AD, if
any service information referenced in EASA
AD 2022–0263 that contains paragraphs that
are labeled as RC, the instructions in RC
paragraphs, including subparagraphs under
an RC paragraph, must be done to comply
with this AD; any paragraphs, including
subparagraphs under those paragraphs, that
are not identified as RC are recommended.
The instructions in paragraphs, including
subparagraphs under those paragraphs, not
identified as RC may be deviated from using
accepted methods in accordance with the
operator’s maintenance or inspection
program without obtaining approval of an
AMOC, provided the instructions identified
as RC can be done and the airplane can be
put back in an airworthy condition. Any
substitutions or changes to instructions
identified as RC require approval of an
AMOC.
(j) Additional Information
For more information about this AD,
contact Dat Le, Aerospace Engineer, Large
Aircraft Section, FAA, International
Validation Branch, 2200 South 216th St., Des
Moines, WA 98198; telephone 516–228–
7317; email Dat.V.Le@faa.gov.
(k) Material Incorporated by Reference
(1) The Director of the Federal Register
approved the incorporation by reference 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 this AD specifies otherwise.
(i) European Union Aviation Safety Agency
(EASA) AD 2022–0263, dated December 21,
2022.
(ii) [Reserved]
(3) For EASA AD 2022–0263, contact
EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; telephone +49 221 8999
000; email ADs@easa.europa.eu; website
easa.europa.eu. You may find this EASA AD
on the EASA website at ad.easa.europa.eu.
(4) You may view this material at the FAA,
Airworthiness Products Section, Operational
Safety Branch, 2200 South 216th St., Des
Moines, WA. For information on the
availability of this material at the FAA, call
206–231–3195.
(5) You may view this material that is
incorporated by reference at the National
PO 00000
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Archives and Records Administration
(NARA). For information on the availability
of this material at NARA, email
fr.inspection@nara.gov, or go to:
www.archives.gov/federal-register/cfr/ibrlocations.html.
Issued on January 27, 2023.
Christina Underwood,
Acting Director, Compliance & Airworthiness
Division, Aircraft Certification Service.
[FR Doc. 2023–02473 Filed 2–1–23; 4:15 pm]
BILLING CODE 4910–13–P
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2022–1151; Project
Identifier MCAI–2020–01603–T; Amendment
39–22303; AD 2023–01–09]
RIN 2120–AA64
Airworthiness Directives; De Havilland
Aircraft of Canada Limited (Type
Certificate Previously Held by
Bombardier, Inc.) Airplanes
Federal Aviation
Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
AGENCY:
The FAA is adopting a new
airworthiness directive (AD) for certain
De Havilland Aircraft of Canada Limited
Model DHC–8–400 series airplanes.
This AD was prompted by a report that
electrical bonding jumpers had been
installed on fuel scavenge lines even
after the removal was required by
previous AD rulemaking and that
electrical bonding jumpers may have
been installed in production or in
service at other locations. This AD
requires an inspection for electrical
bonding jumpers and brackets on the
fuel scavenge and vent lines at specific
wing locations, and if installed, removal
or modification of those jumpers and
brackets. This AD also requires a
records check to determine if certain
maintenance tasks were performed and
removal, modification, or rework if
those tasks were performed. This AD
also prohibits the use of earlier versions
of certain maintenance tasks. The FAA
is issuing this AD to address the unsafe
condition on these products.
DATES: This AD is effective March 13,
2023.
The Director of the Federal Register
approved the incorporation by reference
of certain publications listed in this AD
as of March 13, 2023.
ADDRESSES:
AD Docket: You may examine the AD
docket at regulations.gov under Docket
SUMMARY:
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No. FAA–2022–1151; or in person at
Docket Operations between 9 a.m. and
5 p.m., Monday through Friday, except
Federal holidays. The AD docket
contains this final rule, the mandatory
continuing airworthiness information
(MCAI), any comments received, and
other information. The address for
Docket Operations is U.S. Department of
Transportation, Docket Operations, M–
30, West Building Ground Floor, Room
W12–140, 1200 New Jersey Avenue SE,
Washington, DC 20590.
Material Incorporated by Reference:
• For service information identified
in this final rule, contact De Havilland
Aircraft of Canada Limited, Dash 8
Series Customer Response Centre, 5800
Explorer Drive, Mississauga, Ontario,
L4W 5K9, Canada; telephone North
America (toll-free): 855–310–1013,
Direct: 647–277–5820; email thd@
dehavilland.com; website
dehavilland.com.
• You may view this service
information at the FAA, Airworthiness
Products Section, Operational Safety
Branch, 2200 South 216th St., Des
Moines, WA. For information on the
availability of this material at the FAA,
call 206–231–3195. It is also available at
regulations.gov under Docket No. FAA–
2022–1151.
FOR FURTHER INFORMATION CONTACT:
Joseph Catanzaro, Aerospace Engineer,
Airframe and Propulsion Section, FAA,
New York ACO Branch, 1600 Stewart
Avenue, Suite 410, Westbury, NY
11590; telephone 516–228–7366; email
9-avs-nyaco-cos@faa.gov.
SUPPLEMENTARY INFORMATION:
scavenge and vent lines. If installed,
these electrical bonding jumpers could
affect the integrity of the fuel scavenge
and vent lines’ electrical bonding paths,
which may lead to lightning strike
induced fuel tank ignition.
In the NPRM, the FAA proposed to
require an inspection for electrical
bonding jumpers and brackets on the
fuel scavenge and vent lines at specific
wing locations, and if installed, removal
or modification of those jumpers and
brackets. The FAA also proposed to
require a records check to determine if
certain maintenance tasks were
performed and removal, modification,
or rework if those tasks were performed.
The FAA also proposed to prohibit the
use of earlier versions of certain
maintenance tasks. The FAA is issuing
this AD to address altered electrical
bonding paths, which may lead to
lightning strike-induced ignition of the
fuel tank.
You may examine the MCAI in the
AD docket at regulations.gov under
Docket No. FAA–2022–1151.
Discussion of Final Airworthiness
Directive
Comments
The FAA received a comment from
the Air Line Pilots Association,
International (ALPA) who supported the
NPRM without change.
The FAA received additional
comments from Horizon Air. The
following presents the comments
received on the NPRM and the FAA’s
response to each comment.
Background
Request To Remove Job Access and
Close-up Requirements
The FAA issued a notice of proposed
rulemaking (NPRM) to amend 14 CFR
part 39 by adding an AD that would
apply to certain De Havilland Aircraft of
Canada Limited Model DHC–8–400,
–401, and –402 airplanes. The NPRM
published in the Federal Register on
September 9, 2022 (87 FR 55322). The
NPRM was prompted by AD CF–2020–
01, dated January 14, 2020, issued by
Transport Canada, which is the aviation
authority for Canada (referred to after
this as the MCAI). The MCAI states it
was reported that electrical bonding
jumpers had been installed on fuel
scavenge lines even after the removal
was required by Transport Canada AD
CF–2010–31, dated September 3, 2010
(which corresponds to FAA AD 2011–
13–06, Amendment 39–16729 (76 FR
37258, June 27, 2011) (AD 2011–13–
06)). Subsequent investigation showed
that electrical bonding jumpers may
have been installed in production or in
service at other locations on the fuel
Horizon Air requested revising
paragraphs (h)(1) and (2) of the
proposed AD to remove the Job Set-up
and Close-Out sections of the
Accomplishment Instructions of
Bombardier Service Bulletins 84–28–29
and 84–28–30, both dated October 17,
2018, from the requirements of the
proposed AD. Horizon Air asserted that
incorporating the Job Set-up and Close
Out sections of the Accomplishment
Instructions do not address the unsafe
condition and also restrict an operator’s
ability to perform other maintenance in
conjunction with the incorporation of
the service bulletins.
In this case, the FAA agrees with the
commenter’s request to exclude the ‘‘Job
Set-up’’ and ‘‘Close Out’’ sections of
Bombardier Service Bulletin 84–28–29;
and 84–28–30; both dated October 17,
2018. The FAA has revised paragraphs
(h)(1) and (2) of this AD to require
accomplishment of paragraph 3.B.,
‘‘Procedure,’’ of the Accomplishment
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Instructions of Bombardier Service
Bulletins 84–28–29; or 84–28–30; both
dated October 17, 2018; as applicable.
Request To Correct Typographical
Errors
Horizon Air requested correction of
some typographical errors it found in
paragraphs (h)(1) and (2) of the
proposed AD. Horizon Air noted that
the dates provided for the referenced
service bulletins was published in the
NPRM as October 1 instead of October
17 in two places. Horizon Air also
pointed out that in paragraph (h)(2) of
the proposed AD, the first reference to
a service bulletin seems to be in error
and should be 84–28–30 instead of 84–
28–29.
The FAA acknowledges the
typographical errors and agrees to the
request. Paragraphs (h)(1) and (2) of this
AD have been revised as requested.
Conclusion
This product has been approved by
the aviation authority of another
country and is approved for operation in
the United States. Pursuant to the FAA’s
bilateral agreement with this State of
Design Authority, it has notified the
FAA of the unsafe condition described
in the MCAI referenced above. The FAA
reviewed the relevant data, considered
the comments received, and determined
that air safety requires adopting this AD
as proposed. Accordingly, the FAA is
issuing this AD to address the unsafe
condition on this product. Except for
minor editorial changes, this AD is
adopted as proposed in the NPRM.
None of the changes will increase the
economic burden on any operator.
Related Service Information Under 1
CFR Part 51
De Havilland Aircraft of Canada
Limited has issued Bombardier Service
Bulletins 84–28–29; and 84–28–30; both
dated October 17, 2018; which describe
procedures for an inspection of certain
wing stations in the left and right wings
for the presence of brackets and
electrical bonding jumpers on the fuel
scavenge and vent lines, and if installed,
removal or modification of those
electrical bonding jumpers and brackets.
These documents are distinct because
they apply to different airplane
configurations.
De Havilland Aircraft of Canada
Limited has also issued the following
Bombardier service information, which
describes fuel system limitations,
critical design configuration control
limitations (CDCCLs), or airworthiness
limitations for fuel tank systems. These
documents are distinct because they
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apply to different airplane
configurations.
• (Bombardier) Q400 Dash 8 Aircraft
Maintenance Manual (AMM) Temporary
Revision (TR) 28–170, dated November
2, 2018.
• (Bombardier) Q400 Dash 8 AMM
TR 28–171, dated November 2, 2018.
• (Bombardier) Q400 Dash 8 AMM
TR 28–166, dated November 2, 2018.
• (Bombardier) Q400 Dash 8 AMM
TR 28–167, dated November 2, 2018.
• (Bombardier) Q400 Dash 8 AMM
TR 28–168, dated November 2, 2018.
• (Bombardier) Q400 Dash 8 AMM
TR 28–169 dated November 2, 2018.
• (Bombardier) Q400 Dash 8 AMM
TR 28–163, dated August 1, 2018.
• (Bombardier) Q400 Dash 8
Maintenance Task Card Manual
(MTCM) Maintenance Task Card 000–
28–520–704 (Config A01), Detailed
Inspection of the Teflon Sleeve on the
Fuel Tank Vent Line (LH), Revision 43,
Amendment 0001, dated August 1,
2018.
• (Bombardier) Q400 Dash 8 MTCM
Maintenance Task Card 000–28–620–
704 (Config A01), Detailed Inspection of
the Teflon Sleeve on the Fuel Tank Vent
Line (RH), Revision 43, Amendment
0001, dated August 1, 2018.
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.
Costs of Compliance
The FAA estimates that this AD will
affect 53 airplanes of U.S. registry. The
FAA estimates the following costs to
comply with this AD:
ESTIMATED COSTS FOR REQUIRED ACTIONS
Labor cost
Parts cost
Up to 94 work-hours × $85 per hour =
Up to $7,990.
Cost per product
$0
Cost on U.S. operators
Up to $7,990 ............................................
Up to $423,470.
ESTIMATED COSTS OF ON-CONDITION ACTIONS
Labor cost
Parts cost
Up to 40 work-hours × $85 per hour = Up to $3,400 ....................................................................................
The FAA has received no definitive
data on which to base the cost estimates
for the on-condition rework specified in
this AD.
Authority for This Rulemaking
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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.
The FAA is 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.
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) Will not affect intrastate aviation
in Alaska, and
(3) 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 Amendment
Accordingly, under the authority
delegated to me by the Administrator,
the FAA amends 14 CFR part 39 as
follows:
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.
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
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§ 39.13
[Amended]
2. The FAA amends § 39.13 by adding
the following new airworthiness
directive:
■
2023–01–09 De Havilland Aircraft of
Canada Limited (Type Certificate
Previously Held by Bombardier, Inc.):
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$100
Cost per product
Up to $3,500.
Amendment 39–22303; Docket No.
FAA–2022–1151; Project Identifier
MCAI–2020–01603–T.
(a) Effective Date
This airworthiness directive (AD) is
effective March 13, 2023.
(b) Affected ADs
None.
(c) Applicability
This AD applies to De Havilland Aircraft
of Canada Limited (Type Certificate
previously held by Bombardier, Inc.) Model
DHC–8–400, –401, and –402 airplanes,
certificated in any category, having serial
numbers 4001, 4003, and subsequent.
(d) Subject
Air Transport Association (ATA) of
America Code 28, Fuel System.
(e) Unsafe Condition
This AD was prompted by a report that
electrical bonding jumpers had been installed
on fuel scavenge lines even after the removal
was required by previous AD rulemaking and
electrical bonding jumpers may have been
installed in production or in service at other
locations. The FAA is issuing this AD to
address altered electrical bonding paths,
which may lead to lightning strike-induced
ignition of the fuel tank.
(f) Compliance
Comply with this AD within the
compliance times specified, unless already
done.
(g) Definition
For the purposes of this AD, ‘‘prohibited
tasks’’ are identified as any task identified in
paragraph (j) of this AD and any procedure
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or task that specifies fuel tank access using
non-manufacturer-approved procedures.
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(h) Inspection and Modification
(1) For airplanes having serial numbers
4001, and 4003 through 4118 inclusive:
Within 6,000 flight hours or 36 months after
the effective date of this AD, whichever
occurs first, inspect wing stations ±79.7,
±136.3, ±173.2, and ±299.019 in the left and
right wings for the presence of brackets and
electrical bonding jumpers installed on the
fuel scavenge and vent lines, in accordance
with paragraph 3.B., ‘‘Procedure,’’ of the
Accomplishment Instructions of Bombardier
Service Bulletin 84–28–29, dated October 17,
2018. If installed, remove or modify the
electrical bonding jumpers and brackets as
applicable, before further flight, in
accordance with paragraph 3.B.,
‘‘Procedure,’’ of the Accomplishment
Instructions of Bombardier Service Bulletin
84–28–29, dated October 17, 2018.
(2) For airplanes having serial numbers
4119 through 4597 inclusive: Within 6,000
flight hours or 36 months after the effective
date of this AD, whichever occurs first,
inspect wing stations ±79.7, ±136.3, and
±173.2 in the left and right wings for the
presence of brackets and electrical bonding
jumpers on the fuel scavenge and vent lines,
in accordance with paragraph 3.B.,
‘‘Procedure,’’ of the Accomplishment
Instructions of Bombardier Service Bulletin
84–28–30, dated October 17, 2018. If
installed, remove or modify the electrical
bonding jumpers and brackets as applicable,
before further flight, in accordance with
paragraph 3.B., ‘‘Procedure,’’ of the
Accomplishment Instructions of Bombardier
Service Bulletin 84–28–30, dated October 17,
2018.
(i) Verification and Rework for the Existing
Maintenance Program
(1) For airplanes having serial numbers
4001, and 4003 through 4597 inclusive, on
which the actions required by paragraph
(h)(1) or (2) of this AD have been done before
the effective date of this AD: Within 60 days
after the effective date of this AD, review the
airplane maintenance records to confirm if
any of the prohibited tasks (defined in
paragraph (g) of this AD) were accomplished
during or after compliance with paragraph
(h)(1) or (2) of this AD. If any of the
prohibited tasks were accomplished during
or after compliance with paragraph (h)(1) or
(2) of this AD, or if it cannot be conclusively
confirmed that they were not accomplished
during or after compliance with paragraph
(h)(1) or (2) of this AD: Within 6,000 flight
hours or 36 months after the effective date of
this AD, whichever occurs first, do the
actions required by paragraph (h)(1) or (2) of
this AD, as applicable.
(2) For airplanes having serial numbers
4598 and subsequent, with an airplane date
of manufacture, as identified on the
identification plate of the airplane, dated
before the effective date of this AD: Within
60 days after the effective date of this AD,
review the airplane maintenance records to
confirm if any of the prohibited tasks
(defined in paragraph (g) of this AD) were
accomplished on or after the airplane date of
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manufacture. If any of the prohibited tasks
were accomplished on or after the airplane
date of manufacture, or if it cannot be
conclusively confirmed that they were not
accomplished on or after the airplane date of
manufacture: Within 6,000 flight hours or 36
months after the effective date of this AD,
whichever occurs first, obtain and follow
instructions for rework using a method
approved by the Manager, New York ACO
Branch, FAA; or Transport Canada; or De
Havilland Aircraft of Canada Limited’s
Transport Canada Design Approval
Organization (DAO). If approved by the DAO,
the approval must include the DAOauthorized signature.
(j) Maintenance Task Prohibitions
For all airplanes: As of the effective date
of this AD, comply with the prohibitions
specified in paragraphs (j)(1) and (2) of this
AD.
(1) It is prohibited to use the Bombardier
aircraft maintenance manual (AMM) tasks
identified in paragraphs (j)(1)(i) through (vii)
of this AD, which are specified in the
Bombardier Q400, PSM 1–84–2, Revision 63,
dated October 5, 2018, or earlier revisions of
these tasks. Temporary Revisions (TRs)
including these AMM tasks, dated November
2, 2018, or earlier, are also prohibited for use
except as specified in paragraph (j)(1)(i)
through (vii) of this AD.
(i) Task 28–12–01–000–801, Removal of
the Inboard Vent Line, with the exception of
(Bombardier) Q400 Dash 8 AMM TR 28–170,
dated November 2, 2018.
(ii) Task 28–12–01–400–801, Installation of
the Inboard Vent Line, with the exception of
(Bombardier) Q400 Dash 8 AMM TR 28–171,
dated November 2, 2018.
(iii) Task 28–11–06–000–801, Removal of
the Motive Flow Lines, with the exception of
(Bombardier) Q400 Dash 8 AMM TR 28–166,
dated November 2, 2018.
(iv) Task 28–11–06–400–801, Installation
of the Motive Flow Lines, with the exception
of (Bombardier) Q400 Dash 8 AMM TR 28–
167, dated November 2, 2018.
(v) Task 28–11–16–000–801, Removal of
the Scavenge Flow Lines, with the exception
of (Bombardier) Q400 Dash 8 AMM TR 28–
168, dated November 2, 2018.
(vi) Task 28–11–16–400–801, Installation
of the Scavenge Flow Lines, with the
exception of (Bombardier) Q400 Dash 8
AMM TR 28–169, dated November 2, 2018.
(vii) Task 28–10–00–280–806, Detailed
Inspection of the Teflon Sleeve on the Fuel
Tank Vent Line, LH and RH (FSL #284000–
406), with the exception of (Bombardier)
Q400 Dash 8 AMM TR 28–163, dated August
1, 2018.
(2) It is prohibited to use the Bombardier
Q400 Dash 8 Maintenance Task Card Manual
(MTCM) task cards identified in paragraphs
(j)(2)(i) and (ii) of this AD that are specified
in the Bombardier Q400 Dash 8 MTCM, PSM
1–84–7TC, Revision 43, dated May 5, 2018,
or earlier revisions or amendments of these
task cards. MTCM task card revisions or
amendments dated August 1, 2018, or earlier,
are also prohibited for use, except as
specified in paragraphs (j)(2)(i) and (ii) of this
AD.
(i) Bombardier Q400 Dash 8 MTCM
Maintenance Task Card 000–28–520–704
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7571
(Config A01), Detailed Inspection of the
Teflon Sleeve on the Fuel Tank Vent Line
(LH), with the exception of (Bombardier)
Q400 Dash 8 MTCM Maintenance Task Card
000–28–520–704 (Config A01), Detailed
Inspection of the Teflon Sleeve on the Fuel
Tank Vent Line (LH), Revision 43,
Amendment 0001, dated August 1, 2018.
(ii) Bombardier Q400 Dash 8 MTCM
Maintenance Task Card 000–28–620–704
(Config A01), Detailed Inspection of the
Teflon Sleeve on the Fuel Tank Vent Line
(RH), with the exception of (Bombardier)
Q400 Dash 8 MTCM Maintenance Task Card
000–28–620–704 (Config A01), Detailed
Inspection of the Teflon Sleeve on the Fuel
Tank Vent Line (RH), Revision 43,
Amendment 0001, dated August 1, 2018.
(k) Other AD Provisions
The following provisions also apply to this
AD:
(1) Alternative Methods of Compliance
(AMOCs): The Manager, New York ACO
Branch, 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
responsible Flight Standards Office, as
appropriate. If sending information directly
to the manager of the certification office,
send it to ATTN: Program Manager,
Continuing Operational Safety, FAA, New
York ACO Branch, 1600 Stewart Avenue,
Suite 410, Westbury, NY 11590; telephone
516–228–7300. Before using any approved
AMOC, notify your appropriate principal
inspector, or lacking a principal inspector,
the manager of the responsible Flight
Standards Office.
(2) Contacting the Manufacturer: For any
requirement in this AD to obtain instructions
from a manufacturer, the instructions must
be accomplished using a method approved
by the Manager, New York ACO Branch,
FAA; or Transport Canada; or De Havilland
Aircraft of Canada Limited’s Transport
Canada DAO. If approved by the DAO, the
approval must include the DAO-authorized
signature.
(l) Additional Information
(1) Refer to Transport Canada AD CF–
2020–01, dated January 14, 2020, for related
information. This Transport Canada AD may
be found in the AD docket at regulations.gov
under Docket No. FAA–2022–1151.
(2) For more information about this AD,
contact Joseph Catanzaro, Aerospace
Engineer, Airframe and Propulsion Section,
FAA, New York ACO Branch, 1600 Stewart
Avenue, Suite 410, Westbury, NY 11590;
telephone 516–228–7366; email 9-avs-nyacocos@faa.gov.
(m) Material Incorporated by Reference
(1) The Director of the Federal Register
approved the incorporation by reference 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 this AD specifies otherwise.
(i) (Bombardier) Q400 Dash 8 Aircraft
Maintenance Manual (AMM) Temporary
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7572
Federal Register / Vol. 88, No. 24 / Monday, February 6, 2023 / Rules and Regulations
Revision (TR) 28–170, dated November 2,
2018.
(ii) (Bombardier) Q400 Dash 8 AMM TR
28–171, dated November 2, 2018.
(iii) (Bombardier) Q400 Dash 8 AMM TR
28–166, dated November 2, 2018.
(iv) (Bombardier) Q400 Dash 8 AMM TR
28–167, dated November 2, 2018.
(v) (Bombardier) Q400 Dash 8 AMM TR
28–168, dated November 2, 2018.
(vi) (Bombardier) Q400 Dash 8 AMM TR
28–169 dated November 2, 2018.
(vii) (Bombardier) Q400 Dash 8 AMM TR
28–163, dated August 1, 2018.
(viii) (Bombardier) Q400 Dash 8
Maintenance Task Card Manual (MTCM)
Maintenance Task Card 000–28–520–704
(Config A01), Detailed Inspection of the
Teflon Sleeve on the Fuel Tank Vent Line
(LH), Revision 43, Amendment 0001, dated
August 1, 2018.
(ix) (Bombardier) Q400 Dash 8 MTCM
Maintenance Task Card 000–28–620–704
(Config A01), Detailed Inspection of the
Teflon Sleeve on the Fuel Tank Vent Line
(RH), Revision 43, Amendment 0001, dated
August 1, 2018.
(x) Bombardier Service Bulletin 84–28–29,
dated October 17, 2018.
(xi) Bombardier Service Bulletin 84–28–30,
dated October 17, 2018.
(3) For service information identified in
this AD, contact De Havilland Aircraft of
Canada Limited, Dash 8 Series Customer
Response Centre, 5800 Explorer Drive,
Mississauga, Ontario, L4W 5K9, Canada;
telephone North America (toll-free): 855–
310–1013, Direct: 647–277–5820; email thd@
dehavilland.com; website dehavilland.com.
(4) You may view this service information
at the FAA, Airworthiness Products Section,
Operational Safety Branch, 2200 South 216th
St., Des Moines, WA. For information on the
availability of this material at the FAA, call
206–231–3195.
(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,
email fr.inspection@nara.gov, or go to:
www.archives.gov/federal-register/cfr/ibrlocations.html.
Issued on January 10, 2023.
Christina Underwood,
Acting Director, Compliance & Airworthiness
Division, Aircraft Certification Service.
[FR Doc. 2023–02370 Filed 2–3–23; 8:45 am]
DDrumheller on DSK120RN23PROD with RULES
BILLING CODE 4910–13–P
VerDate Sep<11>2014
16:26 Feb 03, 2023
Jkt 259001
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA–2023–0159; Project
Identifier MCAI–2023–00046–R; Amendment
39–22326; AD 2023–03–01]
RIN 2120–AA64
Airworthiness Directives; Airbus
Helicopters Deutschland GmbH (AHD)
Helicopters
Federal Aviation
Administration (FAA), DOT.
ACTION: Final rule; request for
comments.
AGENCY:
The FAA is adopting a new
airworthiness directive (AD) for Airbus
Helicopters Deutschland GmbH (AHD)
Model BO–105A, BO–105C, BO–105S,
BO–105LS A–1, BO–105LS A–3, MBB–
BK 117 A–1, MBB–BK 117 A–3, MBB–
BK 117 A–4, MBB–BK 117 B–1, MBB–
BK 117 B–2, MBB–BK 117 C–1, MBB–
BK 117 C–2, and MBB–BK 117 D–2
helicopters. This AD was prompted by
a report of a missing main rotor
swashplate (swashplate) inner ring
(inner ring). This AD requires inspecting
for the presence of the inner ring and,
depending on the results, accomplishing
additional actions. This AD also
prohibits installing an affected
swashplate unless it is determined that
the inner ring is installed, as specified
in a European Union Aviation Safety
Agency (EASA) AD, which is
incorporated by reference. The FAA is
issuing this AD to address the unsafe
condition on these products.
DATES: This AD is effective February 21,
2023.
The Director of the Federal Register
approved the incorporation by reference
of a certain publication listed in this AD
as of February 21, 2023.
The FAA must receive comments on
this AD by March 23, 2023.
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
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: Deliver to Mail
address above between 9 a.m. and 5
p.m., Monday through Friday, except
Federal holidays.
SUMMARY:
PO 00000
Frm 00016
Fmt 4700
Sfmt 4700
AD Docket: You may examine the AD
docket at regulations.gov under Docket
No. FAA–2023–0159; or in person at
Docket Operations between 9 a.m. and
5 p.m., Monday through Friday, except
Federal holidays. The AD docket
contains this final rule, any comments
received, and other information. The
address for Docket Operations is listed
above.
Material Incorporated by Reference:
• For EASA material that is
incorporated by reference in this final
rule, contact EASA, Konrad-AdenauerUfer 3, 50668 Cologne, Germany;
telephone +49 221 8999 000; email
ADs@easa.europa.eu; internet
easa.europa.eu. You may find the EASA
material on the EASA website at
ad.easa.europa.eu.
• You may view this material at the
FAA, Office of the Regional Counsel,
Southwest Region, 10101 Hillwood
Pkwy., Room 6N–321, Fort Worth, TX
76177. For information on the
availability of this material at the FAA,
call (817) 222–5110. It is also available
at regulations.gov under Docket No.
FAA–2023–0159.
Other Related Service Information:
For Airbus Helicopters service
information that is identified in this
final rule, contact Airbus Helicopters,
2701 North Forum Drive, Grand Prairie,
TX 75052; telephone (972) 641–0000 or
(800) 232–0323; fax (972) 641–3775; or
at https://www.airbus.com/helicopters/
services/technical-support.html. You
may also view this service information
at the FAA contact information under
Material Incorporated by Reference
above.
Dan
McCully, Program Manager, COS
Program Management Section,
Operational Safety Branch, Compliance
& Airworthiness Division, FAA, 1701
Columbia Ave., Mail Stop: ACO, College
Park, GA 30337; telephone (404) 474–
5548; email william.mccully@faa.gov.
SUPPLEMENTARY INFORMATION:
FOR FURTHER INFORMATION CONTACT:
Comments Invited
The FAA invites you to send any
written data, views, or arguments about
this final rule. Send your comments to
an address listed under ADDRESSES.
Include ‘‘Docket No. FAA–2023–0159;
Project Identifier MCAI–2023–00046–R’’
at the beginning of your comments. The
most helpful comments reference a
specific portion of the final rule, explain
the reason for any recommended
change, and include supporting data.
The FAA will consider all comments
received by the closing date and may
amend this final rule because of those
comments.
E:\FR\FM\06FER1.SGM
06FER1
]]>Agencies
[Federal Register Volume 88, Number 24 (Monday, February 6, 2023)]
[Rules and Regulations]
[Pages 7568-7572]
From the Federal Register Online via the Government Publishing Office [www.gpo.gov]
[FR Doc No: 2023-02370]
-----------------------------------------------------------------------
DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2022-1151; Project Identifier MCAI-2020-01603-T;
Amendment 39-22303; AD 2023-01-09]
RIN 2120-AA64
Airworthiness Directives; De Havilland Aircraft of Canada Limited
(Type Certificate Previously Held by Bombardier, Inc.) Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
-----------------------------------------------------------------------
SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain De Havilland Aircraft of Canada Limited Model DHC-8-400 series
airplanes. This AD was prompted by a report that electrical bonding
jumpers had been installed on fuel scavenge lines even after the
removal was required by previous AD rulemaking and that electrical
bonding jumpers may have been installed in production or in service at
other locations. This AD requires an inspection for electrical bonding
jumpers and brackets on the fuel scavenge and vent lines at specific
wing locations, and if installed, removal or modification of those
jumpers and brackets. This AD also requires a records check to
determine if certain maintenance tasks were performed and removal,
modification, or rework if those tasks were performed. This AD also
prohibits the use of earlier versions of certain maintenance tasks. The
FAA is issuing this AD to address the unsafe condition on these
products.
DATES: This AD is effective March 13, 2023.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of March 13,
2023.
ADDRESSES:
AD Docket: You may examine the AD docket at regulations.gov under
Docket
[[Page 7569]]
No. FAA-2022-1151; or in person at Docket Operations between 9 a.m. and
5 p.m., Monday through Friday, except Federal holidays. The AD docket
contains this final rule, the mandatory continuing airworthiness
information (MCAI), any comments received, and other information. The
address for Docket Operations is U.S. Department of Transportation,
Docket Operations, M-30, West Building Ground Floor, Room W12-140, 1200
New Jersey Avenue SE, Washington, DC 20590.
Material Incorporated by Reference:
For service information identified in this final rule,
contact De Havilland Aircraft of Canada Limited, Dash 8 Series Customer
Response Centre, 5800 Explorer Drive, Mississauga, Ontario, L4W 5K9,
Canada; telephone North America (toll-free): 855-310-1013, Direct: 647-
277-5820; email dehavilland.com">[email protected]dehavilland.com; website dehavilland.com.
You may view this service information at the FAA,
Airworthiness Products Section, Operational Safety Branch, 2200 South
216th St., Des Moines, WA. For information on the availability of this
material at the FAA, call 206-231-3195. It is also available at
regulations.gov under Docket No. FAA-2022-1151.
FOR FURTHER INFORMATION CONTACT: Joseph Catanzaro, Aerospace Engineer,
Airframe and Propulsion Section, FAA, New York ACO Branch, 1600 Stewart
Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-7366; email [email protected].
SUPPLEMENTARY INFORMATION:
Background
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 by adding an AD that would apply to certain De Havilland
Aircraft of Canada Limited Model DHC-8-400, -401, and -402 airplanes.
The NPRM published in the Federal Register on September 9, 2022 (87 FR
55322). The NPRM was prompted by AD CF-2020-01, dated January 14, 2020,
issued by Transport Canada, which is the aviation authority for Canada
(referred to after this as the MCAI). The MCAI states it was reported
that electrical bonding jumpers had been installed on fuel scavenge
lines even after the removal was required by Transport Canada AD CF-
2010-31, dated September 3, 2010 (which corresponds to FAA AD 2011-13-
06, Amendment 39-16729 (76 FR 37258, June 27, 2011) (AD 2011-13-06)).
Subsequent investigation showed that electrical bonding jumpers may
have been installed in production or in service at other locations on
the fuel scavenge and vent lines. If installed, these electrical
bonding jumpers could affect the integrity of the fuel scavenge and
vent lines' electrical bonding paths, which may lead to lightning
strike induced fuel tank ignition.
In the NPRM, the FAA proposed to require an inspection for
electrical bonding jumpers and brackets on the fuel scavenge and vent
lines at specific wing locations, and if installed, removal or
modification of those jumpers and brackets. The FAA also proposed to
require a records check to determine if certain maintenance tasks were
performed and removal, modification, or rework if those tasks were
performed. The FAA also proposed to prohibit the use of earlier
versions of certain maintenance tasks. The FAA is issuing this AD to
address altered electrical bonding paths, which may lead to lightning
strike-induced ignition of the fuel tank.
You may examine the MCAI in the AD docket at regulations.gov under
Docket No. FAA-2022-1151.
Discussion of Final Airworthiness Directive
Comments
The FAA received a comment from the Air Line Pilots Association,
International (ALPA) who supported the NPRM without change.
The FAA received additional comments from Horizon Air. The
following presents the comments received on the NPRM and the FAA's
response to each comment.
Request To Remove Job Access and Close-up Requirements
Horizon Air requested revising paragraphs (h)(1) and (2) of the
proposed AD to remove the Job Set-up and Close-Out sections of the
Accomplishment Instructions of Bombardier Service Bulletins 84-28-29
and 84-28-30, both dated October 17, 2018, from the requirements of the
proposed AD. Horizon Air asserted that incorporating the Job Set-up and
Close Out sections of the Accomplishment Instructions do not address
the unsafe condition and also restrict an operator's ability to perform
other maintenance in conjunction with the incorporation of the service
bulletins.
In this case, the FAA agrees with the commenter's request to
exclude the ``Job Set-up'' and ``Close Out'' sections of Bombardier
Service Bulletin 84-28-29; and 84-28-30; both dated October 17, 2018.
The FAA has revised paragraphs (h)(1) and (2) of this AD to require
accomplishment of paragraph 3.B., ``Procedure,'' of the Accomplishment
Instructions of Bombardier Service Bulletins 84-28-29; or 84-28-30;
both dated October 17, 2018; as applicable.
Request To Correct Typographical Errors
Horizon Air requested correction of some typographical errors it
found in paragraphs (h)(1) and (2) of the proposed AD. Horizon Air
noted that the dates provided for the referenced service bulletins was
published in the NPRM as October 1 instead of October 17 in two places.
Horizon Air also pointed out that in paragraph (h)(2) of the proposed
AD, the first reference to a service bulletin seems to be in error and
should be 84-28-30 instead of 84-28-29.
The FAA acknowledges the typographical errors and agrees to the
request. Paragraphs (h)(1) and (2) of this AD have been revised as
requested.
Conclusion
This product has been approved by the aviation authority of another
country and is approved for operation in the United States. Pursuant to
the FAA's bilateral agreement with this State of Design Authority, it
has notified the FAA of the unsafe condition described in the MCAI
referenced above. The FAA reviewed the relevant data, considered the
comments received, and determined that air safety requires adopting
this AD as proposed. Accordingly, the FAA is issuing this AD to address
the unsafe condition on this product. Except for minor editorial
changes, this AD is adopted as proposed in the NPRM. None of the
changes will increase the economic burden on any operator.
Related Service Information Under 1 CFR Part 51
De Havilland Aircraft of Canada Limited has issued Bombardier
Service Bulletins 84-28-29; and 84-28-30; both dated October 17, 2018;
which describe procedures for an inspection of certain wing stations in
the left and right wings for the presence of brackets and electrical
bonding jumpers on the fuel scavenge and vent lines, and if installed,
removal or modification of those electrical bonding jumpers and
brackets. These documents are distinct because they apply to different
airplane configurations.
De Havilland Aircraft of Canada Limited has also issued the
following Bombardier service information, which describes fuel system
limitations, critical design configuration control limitations
(CDCCLs), or airworthiness limitations for fuel tank systems. These
documents are distinct because they
[[Page 7570]]
apply to different airplane configurations.
(Bombardier) Q400 Dash 8 Aircraft Maintenance Manual (AMM)
Temporary Revision (TR) 28-170, dated November 2, 2018.
(Bombardier) Q400 Dash 8 AMM TR 28-171, dated November 2,
2018.
(Bombardier) Q400 Dash 8 AMM TR 28-166, dated November 2,
2018.
(Bombardier) Q400 Dash 8 AMM TR 28-167, dated November 2,
2018.
(Bombardier) Q400 Dash 8 AMM TR 28-168, dated November 2,
2018.
(Bombardier) Q400 Dash 8 AMM TR 28-169 dated November 2,
2018.
(Bombardier) Q400 Dash 8 AMM TR 28-163, dated August 1,
2018.
(Bombardier) Q400 Dash 8 Maintenance Task Card Manual
(MTCM) Maintenance Task Card 000-28-520-704 (Config A01), Detailed
Inspection of the Teflon Sleeve on the Fuel Tank Vent Line (LH),
Revision 43, Amendment 0001, dated August 1, 2018.
(Bombardier) Q400 Dash 8 MTCM Maintenance Task Card 000-
28-620-704 (Config A01), Detailed Inspection of the Teflon Sleeve on
the Fuel Tank Vent Line (RH), Revision 43, Amendment 0001, dated August
1, 2018.
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.
Costs of Compliance
The FAA estimates that this AD will affect 53 airplanes of U.S.
registry. The FAA estimates the following costs to comply with this AD:
Estimated Costs for Required Actions
----------------------------------------------------------------------------------------------------------------
Labor cost Parts cost Cost per product Cost on U.S. operators
----------------------------------------------------------------------------------------------------------------
Up to 94 work-hours x $85 per hour = Up $0 Up to $7,990.............. Up to $423,470.
to $7,990.
----------------------------------------------------------------------------------------------------------------
Estimated Costs of On-Condition Actions
------------------------------------------------------------------------
Labor cost Parts cost Cost per product
------------------------------------------------------------------------
Up to 40 work-hours x $85 per $100 Up to $3,500.
hour = Up to $3,400.
------------------------------------------------------------------------
The FAA has received no definitive data on which to base the cost
estimates for the on-condition rework specified in this AD.
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.
The FAA is 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) Will not affect intrastate aviation in Alaska, and
(3) 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 Amendment
Accordingly, under the authority delegated to me by the
Administrator, the FAA amends 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:
2023-01-09 De Havilland Aircraft of Canada Limited (Type Certificate
Previously Held by Bombardier, Inc.): Amendment 39-22303; Docket No.
FAA-2022-1151; Project Identifier MCAI-2020-01603-T.
(a) Effective Date
This airworthiness directive (AD) is effective March 13, 2023.
(b) Affected ADs
None.
(c) Applicability
This AD applies to De Havilland Aircraft of Canada Limited (Type
Certificate previously held by Bombardier, Inc.) Model DHC-8-400, -
401, and -402 airplanes, certificated in any category, having serial
numbers 4001, 4003, and subsequent.
(d) Subject
Air Transport Association (ATA) of America Code 28, Fuel System.
(e) Unsafe Condition
This AD was prompted by a report that electrical bonding jumpers
had been installed on fuel scavenge lines even after the removal was
required by previous AD rulemaking and electrical bonding jumpers
may have been installed in production or in service at other
locations. The FAA is issuing this AD to address altered electrical
bonding paths, which may lead to lightning strike-induced ignition
of the fuel tank.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Definition
For the purposes of this AD, ``prohibited tasks'' are identified
as any task identified in paragraph (j) of this AD and any procedure
[[Page 7571]]
or task that specifies fuel tank access using non-manufacturer-
approved procedures.
(h) Inspection and Modification
(1) For airplanes having serial numbers 4001, and 4003 through
4118 inclusive: Within 6,000 flight hours or 36 months after the
effective date of this AD, whichever occurs first, inspect wing
stations 79.7, 136.3, 173.2, and
299.019 in the left and right wings for the presence of
brackets and electrical bonding jumpers installed on the fuel
scavenge and vent lines, in accordance with paragraph 3.B.,
``Procedure,'' of the Accomplishment Instructions of Bombardier
Service Bulletin 84-28-29, dated October 17, 2018. If installed,
remove or modify the electrical bonding jumpers and brackets as
applicable, before further flight, in accordance with paragraph
3.B., ``Procedure,'' of the Accomplishment Instructions of
Bombardier Service Bulletin 84-28-29, dated October 17, 2018.
(2) For airplanes having serial numbers 4119 through 4597
inclusive: Within 6,000 flight hours or 36 months after the
effective date of this AD, whichever occurs first, inspect wing
stations 79.7, 136.3, and 173.2
in the left and right wings for the presence of brackets and
electrical bonding jumpers on the fuel scavenge and vent lines, in
accordance with paragraph 3.B., ``Procedure,'' of the Accomplishment
Instructions of Bombardier Service Bulletin 84-28-30, dated October
17, 2018. If installed, remove or modify the electrical bonding
jumpers and brackets as applicable, before further flight, in
accordance with paragraph 3.B., ``Procedure,'' of the Accomplishment
Instructions of Bombardier Service Bulletin 84-28-30, dated October
17, 2018.
(i) Verification and Rework for the Existing Maintenance Program
(1) For airplanes having serial numbers 4001, and 4003 through
4597 inclusive, on which the actions required by paragraph (h)(1) or
(2) of this AD have been done before the effective date of this AD:
Within 60 days after the effective date of this AD, review the
airplane maintenance records to confirm if any of the prohibited
tasks (defined in paragraph (g) of this AD) were accomplished during
or after compliance with paragraph (h)(1) or (2) of this AD. If any
of the prohibited tasks were accomplished during or after compliance
with paragraph (h)(1) or (2) of this AD, or if it cannot be
conclusively confirmed that they were not accomplished during or
after compliance with paragraph (h)(1) or (2) of this AD: Within
6,000 flight hours or 36 months after the effective date of this AD,
whichever occurs first, do the actions required by paragraph (h)(1)
or (2) of this AD, as applicable.
(2) For airplanes having serial numbers 4598 and subsequent,
with an airplane date of manufacture, as identified on the
identification plate of the airplane, dated before the effective
date of this AD: Within 60 days after the effective date of this AD,
review the airplane maintenance records to confirm if any of the
prohibited tasks (defined in paragraph (g) of this AD) were
accomplished on or after the airplane date of manufacture. If any of
the prohibited tasks were accomplished on or after the airplane date
of manufacture, or if it cannot be conclusively confirmed that they
were not accomplished on or after the airplane date of manufacture:
Within 6,000 flight hours or 36 months after the effective date of
this AD, whichever occurs first, obtain and follow instructions for
rework using a method approved by the Manager, New York ACO Branch,
FAA; or Transport Canada; or De Havilland Aircraft of Canada
Limited's Transport Canada Design Approval Organization (DAO). If
approved by the DAO, the approval must include the DAO-authorized
signature.
(j) Maintenance Task Prohibitions
For all airplanes: As of the effective date of this AD, comply
with the prohibitions specified in paragraphs (j)(1) and (2) of this
AD.
(1) It is prohibited to use the Bombardier aircraft maintenance
manual (AMM) tasks identified in paragraphs (j)(1)(i) through (vii)
of this AD, which are specified in the Bombardier Q400, PSM 1-84-2,
Revision 63, dated October 5, 2018, or earlier revisions of these
tasks. Temporary Revisions (TRs) including these AMM tasks, dated
November 2, 2018, or earlier, are also prohibited for use except as
specified in paragraph (j)(1)(i) through (vii) of this AD.
(i) Task 28-12-01-000-801, Removal of the Inboard Vent Line,
with the exception of (Bombardier) Q400 Dash 8 AMM TR 28-170, dated
November 2, 2018.
(ii) Task 28-12-01-400-801, Installation of the Inboard Vent
Line, with the exception of (Bombardier) Q400 Dash 8 AMM TR 28-171,
dated November 2, 2018.
(iii) Task 28-11-06-000-801, Removal of the Motive Flow Lines,
with the exception of (Bombardier) Q400 Dash 8 AMM TR 28-166, dated
November 2, 2018.
(iv) Task 28-11-06-400-801, Installation of the Motive Flow
Lines, with the exception of (Bombardier) Q400 Dash 8 AMM TR 28-167,
dated November 2, 2018.
(v) Task 28-11-16-000-801, Removal of the Scavenge Flow Lines,
with the exception of (Bombardier) Q400 Dash 8 AMM TR 28-168, dated
November 2, 2018.
(vi) Task 28-11-16-400-801, Installation of the Scavenge Flow
Lines, with the exception of (Bombardier) Q400 Dash 8 AMM TR 28-169,
dated November 2, 2018.
(vii) Task 28-10-00-280-806, Detailed Inspection of the Teflon
Sleeve on the Fuel Tank Vent Line, LH and RH (FSL #284000-406), with
the exception of (Bombardier) Q400 Dash 8 AMM TR 28-163, dated
August 1, 2018.
(2) It is prohibited to use the Bombardier Q400 Dash 8
Maintenance Task Card Manual (MTCM) task cards identified in
paragraphs (j)(2)(i) and (ii) of this AD that are specified in the
Bombardier Q400 Dash 8 MTCM, PSM 1-84-7TC, Revision 43, dated May 5,
2018, or earlier revisions or amendments of these task cards. MTCM
task card revisions or amendments dated August 1, 2018, or earlier,
are also prohibited for use, except as specified in paragraphs
(j)(2)(i) and (ii) of this AD.
(i) Bombardier Q400 Dash 8 MTCM Maintenance Task Card 000-28-
520-704 (Config A01), Detailed Inspection of the Teflon Sleeve on
the Fuel Tank Vent Line (LH), with the exception of (Bombardier)
Q400 Dash 8 MTCM Maintenance Task Card 000-28-520-704 (Config A01),
Detailed Inspection of the Teflon Sleeve on the Fuel Tank Vent Line
(LH), Revision 43, Amendment 0001, dated August 1, 2018.
(ii) Bombardier Q400 Dash 8 MTCM Maintenance Task Card 000-28-
620-704 (Config A01), Detailed Inspection of the Teflon Sleeve on
the Fuel Tank Vent Line (RH), with the exception of (Bombardier)
Q400 Dash 8 MTCM Maintenance Task Card 000-28-620-704 (Config A01),
Detailed Inspection of the Teflon Sleeve on the Fuel Tank Vent Line
(RH), Revision 43, Amendment 0001, dated August 1, 2018.
(k) Other AD Provisions
The following provisions also apply to this AD:
(1) Alternative Methods of Compliance (AMOCs): The Manager, New
York ACO Branch, 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 responsible Flight Standards Office, as appropriate. If
sending information directly to the manager of the certification
office, send it to ATTN: Program Manager, Continuing Operational
Safety, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; telephone 516-228-7300. Before using any
approved AMOC, notify your appropriate principal inspector, or
lacking a principal inspector, the manager of the responsible Flight
Standards Office.
(2) Contacting the Manufacturer: For any requirement in this AD
to obtain instructions from a manufacturer, the instructions must be
accomplished using a method approved by the Manager, New York ACO
Branch, FAA; or Transport Canada; or De Havilland Aircraft of Canada
Limited's Transport Canada DAO. If approved by the DAO, the approval
must include the DAO-authorized signature.
(l) Additional Information
(1) Refer to Transport Canada AD CF-2020-01, dated January 14,
2020, for related information. This Transport Canada AD may be found
in the AD docket at regulations.gov under Docket No. FAA-2022-1151.
(2) For more information about this AD, contact Joseph
Catanzaro, Aerospace Engineer, Airframe and Propulsion Section, FAA,
New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY
11590; telephone 516-228-7366; email [email protected].
(m) Material Incorporated by Reference
(1) The Director of the Federal Register approved the
incorporation by reference 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 this AD specifies otherwise.
(i) (Bombardier) Q400 Dash 8 Aircraft Maintenance Manual (AMM)
Temporary
[[Page 7572]]
Revision (TR) 28-170, dated November 2, 2018.
(ii) (Bombardier) Q400 Dash 8 AMM TR 28-171, dated November 2,
2018.
(iii) (Bombardier) Q400 Dash 8 AMM TR 28-166, dated November 2,
2018.
(iv) (Bombardier) Q400 Dash 8 AMM TR 28-167, dated November 2,
2018.
(v) (Bombardier) Q400 Dash 8 AMM TR 28-168, dated November 2,
2018.
(vi) (Bombardier) Q400 Dash 8 AMM TR 28-169 dated November 2,
2018.
(vii) (Bombardier) Q400 Dash 8 AMM TR 28-163, dated August 1,
2018.
(viii) (Bombardier) Q400 Dash 8 Maintenance Task Card Manual
(MTCM) Maintenance Task Card 000-28-520-704 (Config A01), Detailed
Inspection of the Teflon Sleeve on the Fuel Tank Vent Line (LH),
Revision 43, Amendment 0001, dated August 1, 2018.
(ix) (Bombardier) Q400 Dash 8 MTCM Maintenance Task Card 000-28-
620-704 (Config A01), Detailed Inspection of the Teflon Sleeve on
the Fuel Tank Vent Line (RH), Revision 43, Amendment 0001, dated
August 1, 2018.
(x) Bombardier Service Bulletin 84-28-29, dated October 17,
2018.
(xi) Bombardier Service Bulletin 84-28-30, dated October 17,
2018.
(3) For service information identified in this AD, contact De
Havilland Aircraft of Canada Limited, Dash 8 Series Customer
Response Centre, 5800 Explorer Drive, Mississauga, Ontario, L4W 5K9,
Canada; telephone North America (toll-free): 855-310-1013, Direct:
647-277-5820; email dehavilland.com">[email protected]dehavilland.com; website dehavilland.com.
(4) You may view this service information at the FAA,
Airworthiness Products Section, Operational Safety Branch, 2200
South 216th St., Des Moines, WA. For information on the availability
of this material at the FAA, call 206-231-3195.
(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, email [email protected], or go to: www.archives.gov/federal-register/cfr/ibr-locations.html.
Issued on January 10, 2023.
Christina Underwood,
Acting Director, Compliance & Airworthiness Division, Aircraft
Certification Service.
[FR Doc. 2023-02370 Filed 2-3-23; 8:45 am]
BILLING CODE 4910-13-P
