Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate Previously Held by Bombardier, Inc.) Airplanes
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Issuing agencies
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain MHI RJ Aviation ULC Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes, Model CL-600-2C11 (Regional Jet Series 550) airplanes, Model CL-600-2D15 (Regional Jet Series 705) airplanes, Model CL-600- 2D24 (Regional Jet Series 900) airplanes, and Model CL-600-2E25 (Regional Jet Series 1000) airplanes. This AD was prompted by reports of corrosion on fuel clamshell couplings installed in the fuel tank, and a determination that new or more restrictive airworthiness limitations are necessary. This AD requires removing and replacing the fuel clamshell couplings on certain airplanes, and revising the existing maintenance or inspection program, as applicable, to incorporate new or more restrictive airworthiness limitations. The FAA is issuing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 87 Issue 203 (Friday, October 21, 2022)</title>
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[Federal Register Volume 87, Number 203 (Friday, October 21, 2022)]
[Rules and Regulations]
[Pages 63943-63946]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2022-22333]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2022-0011; Project Identifier MCAI-2021-00485-T;
Amendment 39-22166; AD 2022-18-15]
RIN 2120-AA64
Airworthiness Directives; MHI RJ Aviation ULC (Type Certificate
Previously Held by Bombardier, Inc.) Airplanes
AGENCY: Federal Aviation Administration (FAA), Department of
Transportation (DOT).
ACTION: Final rule.
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SUMMARY: The FAA is adopting a new airworthiness directive (AD) for
certain MHI RJ Aviation ULC Model CL-600-2B19 (Regional Jet Series 100
& 440) airplanes, Model CL-600-2C10 (Regional Jet Series 700, 701 &
702) airplanes, Model CL-600-2C11 (Regional Jet Series 550) airplanes,
Model CL-600-2D15 (Regional Jet Series 705) airplanes, Model CL-600-
2D24 (Regional Jet Series 900) airplanes, and Model CL-600-2E25
(Regional Jet Series 1000) airplanes. This AD was prompted by reports
of corrosion on fuel clamshell couplings installed in the fuel tank,
and a determination that new or more restrictive airworthiness
limitations are necessary. This AD requires removing and replacing the
fuel clamshell couplings on certain airplanes, and revising the
existing maintenance or inspection program, as applicable, to
incorporate new or more restrictive airworthiness limitations. The FAA
is issuing this AD to address the unsafe condition on these products.
DATES: This AD is effective November 25, 2022.
The Director of the Federal Register approved the incorporation by
reference of certain publications listed in this AD as of November 25,
2022.
ADDRESSES:
AD Docket: You may examine the AD docket at <a href="http://regulations.gov">regulations.gov</a> under
Docket No. FAA-2022-0011; 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:
<bullet> For service information identified in this final rule,
contact MHI RJ Aviation Group, Customer Response Center, 3655 Ave. des
Grandes-Tourelles, Suite 110, Boisbriand, Qu[eacute]bec J7H 0E2 Canada;
North America toll-free telephone 833-990-7272 or direct-dial telephone
450-990-7272; fax 514-855-8501; email <a href="/cdn-cgi/l/email-protection#8df9e5e9a3eeffe7cdb1ecade5ffe8ebb0" http: mhirj.com">mhirj.com</a>">thd.crj@<a href="http://mhirj.com">mhirj.com</a></a>; internet
<a href="http://mhirj.com">mhirj.com</a>.
<bullet> 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
<a href="http://regulations.gov">regulations.gov</a> under Docket No. FAA-2022-0011.
FOR FURTHER INFORMATION CONTACT: Jiwan Karunatilake, Aerospace
Engineer, Airframe and Propulsion Section, FAA, New York ACO Branch,
1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516-228-
7300; email <a href="/cdn-cgi/l/email-protection#95acb8f4e3e6b8fbecf4f6fab8f6fae6d5f3f4f4bbf2fae3"><span class="__cf_email__" data-cfemail="8eb7a3eff8fda3e0f7efede1a3ede1fdcee8efefa0e9e1f8">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
Background
Transport Canada Civil Aviation (TCCA), which is the aviation
authority for Canada, has issued TCCA AD CF-2021-16, dated April 26,
2021 (TCCA AD CF-2021-16) (also referred to as the Mandatory Continuing
Airworthiness Information, or the MCAI), to correct an unsafe condition
for certain MHI RJ Aviation ULC Model CL-600-2B19 (Regional Jet Series
100 & 440) airplanes, Model CL-600-2C10 (Regional Jet Series 700, 701 &
702) airplanes, Model CL-600-2C11 (Regional Jet Series 550) airplanes,
Model CL-600-2D15 (Regional Jet Series 705) airplanes, Model CL-600-
2D24 (Regional Jet Series 900) airplanes, and Model CL-600-2E25
(Regional Jet Series 1000) airplanes. You may examine the MCAI in the
AD docket on the internet at <a href="http://regulations.gov">regulations.gov</a> by searching for and
locating Docket No. FAA-2022-0011.
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 by adding an AD that would apply to certain MHI RJ Aviation
ULC Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes, Model
CL-600-2C10 (Regional Jet Series 700, 701 & 702) airplanes, Model CL-
600-2C11 (Regional Jet Series 550) airplanes, Model CL-600-2D15
(Regional Jet Series 705) airplanes, Model CL-600-2D24 (Regional Jet
Series 900) airplanes, and Model CL-600-2E25 (Regional Jet Series 1000)
airplanes. The NPRM published in the Federal Register on January 25,
2022 (87 FR 3716). The NPRM was prompted by reports of corrosion on
fuel clamshell couplings installed in the fuel tank, and a
determination that new or more restrictive airworthiness limitations
are necessary. The NPRM proposed to require removing and replacing the
fuel clamshell couplings on certain airplanes, and revising the
existing maintenance or inspection program, as applicable, to
incorporate new or more restrictive airworthiness limitations. The FAA
is issuing this AD to address corroded fuel clamshell couplings in the
fuel tank, which, if not removed and replaced, could reduce the ability
of the fuel coupling to conduct lightning current and possibly lead to
arcing and subsequent fuel tank ignition in the event of a lightning
strike. See the MCAI for additional background information.
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 one additional comment from MHI RJ Aviation. The
following presents the comment received on the NPRM and the FAA's
response.
Request for Clarification for Incorporating Temporary Revisions (TRs)
MHI RJ Aviation requested that the proposed AD be revised to
include provisional statement allowing the incorporation of TRs in
their respective manuals. MHI RJ Aviation conceded that the provision
that allows this may be included in paragraph (k) of the proposed AD,
but noted that it is not clear. MHI RJ Aviation requested that the FAA
consider adding a provision to avoid requests for alternative methods
of compliance (AMOCs) from operators.
[[Page 63944]]
MHI RJ Aviation provided the status of each TR and whether or not the
information in the TR has been incorporated into the MHI RJ Maintenance
Requirements Manual (MRM).
The FAA agrees to clarify. Paragraphs (h) and (j) of this AD
require operators to ``incorporate the information specified in'' CRJ
Series Regional Jet TR ALI-0740, dated October 13, 2020; CRJ Series
Regional Jet TR ALI-0741, dated October 13, 2020; CRJ700/900/1000
Series Regional Jet TR ALI-0751, dated April 8, 2021; TR 2S4-002, dated
September 1, 2021; and TR 2S4-003, dated September 1, 2021. Therefore,
as long as the information in the applicable MRM is identical to the
information in the applicable TR, the operator may incorporate either
the applicable MRM or the applicable TR to show compliance with this
AD. The FAA has not changed this AD in this regard.
Conclusion
The FAA reviewed the relevant data, considered the comments
received, and determined that air safety requires adopting this AD as
proposed. 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. Accordingly, the FAA is issuing this AD to
address the unsafe condition on these products.
Related Service Information Under 1 CFR Part 51
MHI RJ Aviation has issued Service Bulletin 601R-28-068, Revision
A, dated December 21, 2020; and Service Bulletin 670BA-28-041, Revision
B, dated January 27, 2021. This service information describes
procedures for removing and replacing the fuel clamshell couplings.
These documents are distinct because they apply to different airplane
models.
MHI RJ Aviation has also issued TR 2S4-002, dated September 1,
2021. This service information describes a Critical Design
Configuration Control Limitation (CDCCL) item for bonding of fuel and
vent lines for lightning protection to preclude a spark.
MHI RJ Aviation has also issued the following TRs, which describe
airworthiness limitations for fuel tank systems.
<bullet> TR 2S4-003, dated September 1, 2021; CRJ Series Regional
Jet TR ALI-0741, dated October 13, 2020; and CRJ700/900/1000 Series
Regional Jet TR ALI-0751, dated April 8, 2021, which describe a
procedure for removing and replacing self-bonding couplings in the fuel
tank.
<bullet> CRJ Series Regional Jet TR ALI-0740, dated October 13,
2020, which describes a CDCCL item for bonding of fuel and vent lines
for lightning protection to preclude a spark.
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 affects 914 airplanes of U.S.
registry. The FAA estimates the following costs to comply with this AD:
Estimated Costs for Required Actions *
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Labor cost Parts cost Cost per product Cost on U.S. operators
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Up to 21 work-hours x $85 per Up to $5,837........... Up to $7,622.......... Up to $6,966,508.
hour = $1,785.
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* Table does not include estimated costs for revising the maintenance/inspection program.
The FAA has determined that revising the maintenance or inspection
program takes an average of 90 work-hours per operator, although the
FAA recognizes that this number may vary from operator to operator. In
the past, the FAA has estimated that this action takes 1 work-hour per
airplane. Since operators incorporate maintenance or inspection program
changes for their affected fleet(s), the FAA has determined that a per-
operator estimate is more accurate than a per-airplane estimate.
Therefore, the FAA estimates the total cost per operator to be $7,650
(90 work-hours x $85 per work-hour).
According to the manufacturer, some or all of the costs of this AD
may be covered under warranty, thereby reducing the cost impact on
affected individuals. The FAA does not control warranty coverage for
affected individuals. As a result, the FAA has included all known costs
in the cost estimate.
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.
[[Page 63945]]
Sec. 39.13 [Amended]
0
2. The FAA amends Sec. 39.13 by adding the following new airworthiness
directive:
2022-18-15 MHI RJ Aviation ULC (Type Certificate Previously Held by
Bombardier, Inc.): Amendment 39-22166; Docket No. FAA-2022-0011;
Project Identifier MCAI-2021-00485-T.
(a) Effective Date
This airworthiness directive (AD) is effective November 25,
2022.
(b) Affected ADs
None.
(c) Applicability
This AD applies to the MHI RJ Aviation ULC airplanes,
certificated in any category, identified in paragraphs (c)(1)
through (4) of this AD.
(1) Model CL-600-2B19 (Regional Jet Series 100 & 440) airplanes,
serial numbers 7002 through 7990 inclusive and 8000 through 8112
inclusive.
(2) Model CL-600-2C10 (Regional Jet Series 700, 701 & 702) and
CL-600-2C11 (Regional Jet Series 550) airplanes, serial numbers
10002 through 10347 inclusive.
(3) Model CL-600-2D15 (Regional Jet Series 705) and CL-600-2D24
(Regional Jet Series 900) airplanes, serial numbers 15001 through
15499 inclusive.
(4) Model CL-600-2E25 (Regional Jet Series 1000) airplanes,
serial numbers 19001 through 19064 inclusive.
(d) Subject
Air Transport Association (ATA) of America Code 28, Fuel.
(e) Reason
This AD was prompted by reports of corrosion on fuel clamshell
couplings installed in the fuel tank, and a determination that new
or more restrictive airworthiness limitations are necessary. The FAA
is issuing this AD to address corroded fuel clamshell couplings in
the fuel tank, which, if not removed and replaced, could reduce the
ability of the fuel coupling to conduct lightning current and
possibly lead to arcing and subsequent fuel tank ignition in the
event of a lightning strike.
(f) Compliance
Comply with this AD within the compliance times specified,
unless already done.
(g) Clamshell Coupling Replacement: Model CL-600-2B19 Airplanes
For Model CL-600-2B19 airplanes: Within 6,600 flight hours or 36
months, whichever occurs first after the effective date of this AD,
remove and replace the fuel clamshell couplings, in accordance with
Section 2.B. of the Accomplishment Instructions of MHI RJ Service
Bulletin 601R-28-068, Revision A, dated December 21, 2020.
(h) Revision of the Existing Maintenance or Inspection Program: Model
CL-600-2B19 Airplanes
For Model CL-600-2B19 airplanes: Within 60 days after the
effective date of this AD, revise the existing maintenance or
inspection program, as applicable, to incorporate the information
specified in paragraphs (h)(1) and (2) of this AD into Supplement
4--FAA Fuel System Limitations of Part 2, Airworthiness
Requirements, of the MHI RJ Maintenance Requirements Manual (MRM).
(1) Critical Design Configuration Control Limitation (CDCCL)
Item as specified in MHI RJ Temporary Revision (TR) 2S4-002, dated
September 1, 2021.
(2) Fuel System Limitation Task 28-23-00-605 as specified in MHI
RJ TR 2S4-003, dated September 1, 2021.
(i) Clamshell Coupling Replacement: Model CL-600-2C10, CL-600-2C11, CL-
600-2D15, CL-600-2D24, and CL-600-2E25 Airplanes
For Model CL-600-2C10 and CL-600-2C11 airplanes; Model CL-600-
2D15 and CL-600-2D24 airplanes, serial numbers 15001 through 15494
inclusive; and Model CL-600-2E25 airplanes: Within 8,800 flight
hours or 48 months, whichever occurs first after the effective date
of this AD, replace the fuel clamshell couplings, in accordance with
Section 2.B. of the Accomplishment Instructions of MHI RJ Service
Bulletin 670BA-28-041, Revision B, dated January 27, 2021.
(j) Revision of the Existing Maintenance or Inspection Program: Model
CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24, and CL-600-2E25
Airplanes
For Model CL-600-2C10, CL-600-2C11, CL-600-2D15, CL-600-2D24,
and CL-600-2E25 airplanes: Within 60 days after the effective date
of this AD, revise the existing maintenance or inspection program,
as applicable, to incorporate the information specified in
paragraphs (j)(1) and (2) of this AD.
(1) Fuel System Limitation Task 28-21-15-601 as specified in
[MHI RJ] CRJ Series Regional Jet TR ALI-0741, dated October 13,
2020; and Description Applicability for Airworthiness Limitation
Task 28-21-15-601 as amended by [MHI RJ] CRJ700/900/1000 Series
Regional Jet TR ALI-0751, dated April 8, 2021; in Section 4-28 of
Part 2, Airworthiness Requirements, of the MHI RJ MRM.
(2) CDCCL Item as specified in [MHI RJ] CRJ Series Regional Jet
TR ALI-0740, dated October 13, 2020, in Section 5-00 of Part 2,
Airworthiness Requirements, of the MHI RJ MRM.
(k) No Alternative Actions, Intervals, or CDCCLs
After the existing maintenance or inspection program has been
revised as required by paragraphs (h) and (j) of this AD, no
alternative actions (e.g., inspections), intervals, or CDCCLs may be
used unless the actions, intervals, and CDCCLs are approved as an
alternative method of compliance (AMOC) in accordance with the
procedures specified in paragraph (m)(1) of this AD.
(l) Credit for Previous Actions
(1) This paragraph provides credit for actions required by
paragraph (g) of this AD, if those actions were performed before the
effective date of this AD using MHI RJ Service Bulletin 601R-28-068,
dated December 3, 2020.
(2) This paragraph provides credit for actions required by
paragraph (i) of this AD, if those actions were performed before the
effective date of this AD using MHI RJ Service Bulletin 670BA-28-
041, dated December 3, 2020; or Revision A, dated December 21, 2020.
(m) Additional 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 New York ACO
Branch, mail it to ATTN: Program Manager, Continuing Operational
Safety, at the address identified in paragraph (n)(2) of this AD or
email to: <a href="/cdn-cgi/l/email-protection#91a8bcf0e7e2bcffe8f0f2febcf2fee2d1f7f0f0bff6fee7"><span class="__cf_email__" data-cfemail="497064283f3a642730282a26642a263a092f2828672e263f">[email protected]</span></a>. If mailing information, also
submit information by email. 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 refer to TCCA; or MHI RJ Aviation ULC's TCCA Design
Approval Organization (DAO). If approved by the DAO, the approval
must include the DAO-authorized signature.
(n) Additional Information
(1) Refer to TCCA CF-2021-16, dated April 26, 2021, for related
information. This TCCA AD may be found in the AD docket at
<a href="http://regulations.gov">regulations.gov</a> under Docket No. FAA-2022-0011.
(2) For more information about this AD, contact Jiwan
Karunatilake, Aerospace Engineer, Airframe and Propulsion Section,
FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury,
NY 11590; telephone 516-228-7300; email <a href="/cdn-cgi/l/email-protection#b28b9fd3c4c19fdccbd3d1dd9fd1ddc1f2d4d3d39cd5ddc4"><span class="__cf_email__" data-cfemail="073e2a6671742a697e6664682a6468744761666629606871">[email protected]</span></a>.
(3) Service information identified in this AD that is not
incorporated by reference is available at the addresses specified in
paragraphs (o)(3) and (4) of this AD.
(o) 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 this AD specifies otherwise.
(i) MHI RJ Service Bulletin 601R-28-068, Revision A, dated
December 21, 2020.
[[Page 63946]]
(ii) MHI RJ Service Bulletin 670BA-28-041, Revision B, dated
January 27, 2021.
(iii) MHI RJ Temporary Revision (TR) 2S4-002, dated September 1,
2021.
(iv) MHI RJ TR 2S4-003, dated September 1, 2021.
(v) [MHI RJ] CRJ Series Regional Jet TR ALI-0740, dated October
13, 2020.
(vi) [MHI RJ] CRJ Series Regional Jet TR ALI-0741, dated October
13, 2020.
(vii) [MHI RJ] CRJ700/900/1000 Series Regional Jet TR ALI-0751,
dated April 8, 2021.
(3) For MHI RJ Aviation ULC service information identified in
this AD, contact MHI RJ Aviation Group, Customer Response Center,
3655 Ave. des Grandes-Tourelles, Suite 110, Boisbriand,
Qu[eacute]bec J7H 0E2 Canada; North America toll-free telephone 833-
990-7272 or direct-dial telephone 450-990-7272; fax 514-855-8501;
email <a href="/cdn-cgi/l/email-protection#32465a561c514058720e53125a4057540f" http: mhirj.com">mhirj.com</a>">thd.crj@<a href="http://mhirj.com">mhirj.com</a></a>; internet <a href="http://mhirj.com">mhirj.com</a>.
(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 <a href="/cdn-cgi/l/email-protection#aec8dc80c7c0dddecbcddac7c1c0eec0cfdccf80c9c1d8"><span class="__cf_email__" data-cfemail="b3d5c19ddaddc0c3d6d0c7dadcddf3ddd2c1d29dd4dcc5">[email protected]</span></a>, or go to: <a href="http://archives.gov/federal-register/cfr/ibr-locations.html">archives.gov/federal-register/cfr/ibr-locations.html</a>.
Issued on August 29, 2022.
Christina Underwood,
Acting Director, Compliance & Airworthiness Division, Aircraft
Certification Service.
[FR Doc. 2022-22333 Filed 10-20-22; 8:45 am]
BILLING CODE 4910-13-P
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</html>This is legal information, not legal advice. Laws vary by jurisdiction and change frequently. Always verify current law with official sources and consult a licensed attorney in your jurisdiction for advice on your specific situation.