Rule2021-15346
Airworthiness Directives; Airbus Canada Limited Partnership (Type Certificate Previously Held by C Series Aircraft Limited Partnership (CSALP); Bombardier, Inc.) Airplanes
Primary source
Metadata and text below are from the Federal Register, a public-domain U.S. government work. Always verify the official published version before relying on it for any legal matter.
Published
July 20, 2021
Effective
August 24, 2021
Issuing agencies
Transportation DepartmentFederal Aviation Administration
Abstract
The FAA is adopting a new airworthiness directive (AD) for certain Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500- 1A11 airplanes. This AD was prompted by reports of corrosion on the waste box, waste access doubler, and waste service door of the rear fuselage due to contamination from waste valve leakage. This AD requires an inspection for corrosion of the waste box, waste access doubler, and waste service door, and corrective actions if necessary, as specified in a Transport Canada Civil Aviation (TCCA) AD, which is incorporated by reference. The FAA is issuing this AD to address the unsafe condition on these products.
Full Text
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<title>Federal Register, Volume 86 Issue 136 (Tuesday, July 20, 2021)</title>
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[Federal Register Volume 86, Number 136 (Tuesday, July 20, 2021)]
[Rules and Regulations]
[Pages 38223-38225]
From the Federal Register Online via the Government Publishing Office [<a href="http://www.gpo.gov">www.gpo.gov</a>]
[FR Doc No: 2021-15346]
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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration
14 CFR Part 39
[Docket No. FAA-2021-0031; Project Identifier MCAI-2020-01420-T;
Amendment 39-21625; AD 2021-13-20]
RIN 2120-AA64
Airworthiness Directives; Airbus Canada Limited Partnership (Type
Certificate Previously Held by C Series Aircraft Limited Partnership
(CSALP); 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 Airbus Canada Limited Partnership Model BD-500-1A10 and BD-500-
1A11 airplanes. This AD was prompted by reports of corrosion on the
waste box, waste access doubler, and waste service door of the rear
fuselage due to contamination from waste valve leakage. This AD
requires an inspection for corrosion of the waste box, waste access
doubler, and waste service door, and corrective actions if necessary,
as specified in a Transport Canada Civil Aviation (TCCA) 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 August 24, 2021.
The Director of the Federal Register approved the incorporation by
reference of a certain publication listed in this AD as of August 24,
2021.
ADDRESSES: For material incorporated by reference (IBR) in this AD,
contact TCCA, Transport Canada National Aircraft Certification, 159
Cleopatra Drive, Nepean, Ontario, K1A 0N5, Canada; telephone 888-663-
3639; email <a href="/cdn-cgi/l/email-protection#1c5d58315f525c687f327b7f327f7d"><span class="__cf_email__" data-cfemail="08494c254b46487c6b266f6b266b69">[email protected]</span></a>; internet <a href="https://tc.canada.ca/en/aviation">https://tc.canada.ca/en/aviation</a>.
You may view this IBR 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. It is also available in the AD docket on the
internet at <a href="https://www.regulations.gov">https://www.regulations.gov</a> by searching for and locating
Docket No. FAA-2021-0031.
Examining the AD Docket
You may examine the AD docket on the internet at <a href="https://www.regulations.gov">https://www.regulations.gov</a> by searching for and locating Docket No. FAA-2021-
0031; 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 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: Siddeeq Bacchus, Aerospace Engineer,
Mechanical Systems and Administrative Services Section, FAA, New York
ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590;
telephone 516-228-7362; fax 516-794-5531; email <a href="/cdn-cgi/l/email-protection#84bda9e5f2f7a9eafde5e7eba9e7ebf7c4e2e5e5aae3ebf2"><span class="__cf_email__" data-cfemail="70495d1106035d1e0911131f5d131f03301611115e171f06">[email protected]</span></a>.
SUPPLEMENTARY INFORMATION:
[[Page 38224]]
Background
TCCA, which is the aviation authority for Canada, has issued TCCA
AD CF-2020-42, issued October 16, 2020 (TCCA AD CF-2020-42) (also
referred to as the Mandatory Continuing Airworthiness Information, or
the MCAI), to correct an unsafe condition for certain Airbus Canada
Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes.
The FAA issued a notice of proposed rulemaking (NPRM) to amend 14
CFR part 39 by adding an AD that would apply to certain Airbus Canada
Limited Partnership Model BD-500-1A10 and BD-500-1A11 airplanes. The
NPRM published in the Federal Register on February 24, 2021 (86 FR
11173). The NPRM was prompted by reports of corrosion on the waste box,
waste access doubler, and waste service door of the rear fuselage due
to contamination from waste valve leakage. The NPRM proposed to require
an inspection for corrosion of the waste box, waste access doubler, and
waste service door, and corrective actions if necessary, as specified
in TCCA AD CF-2020-42.
Comments
The FAA gave the public the opportunity to participate in
developing this final rule. The following presents the comments
received on the NPRM and the FAA's response to each comment.
Request To Require Additional Service Information
Delta Air Lines (DAL) asked that Airbus Canada Service Bulletin
BD500-383004, Issue No. 001, dated January 29, 2021, also be mandated
either in the proposed AD or in additional rulemaking by the FAA and
TCCA. DAL stated that the proposed AD, as written, does not address the
root cause of the corrosion, which is leakage from the waste disposal
ball valve. DAL added that the actions specified in the proposed AD
will act as an effective method of ensuring that existing corrosion is
identified and addressed, but do not address the root cause of the
corrosion. DAL stated that Airbus Canada Service Bulletin BD500-383004
would address that root cause by providing instructions for the
retrofit of an improved valve, which resists leakage more effectively
than the valve with the original configuration. DAL noted that if fluid
leakage from the waste servicing system is the root cause for corrosion
of the fuselage, proactive retrofit of the ball valve to the improved
configuration would properly address that root cause.
The FAA does not agree with the commenter. The FAA is currently
reviewing Airbus Canada Service Bulletin BD500-383004, Issue No. 001,
dated January 29, 2021, and gathering more information about the new
valve. After completing this review the FAA might consider further
rulemaking. The FAA has not changed this AD in this regard.
Request To Clarify Exception to TCCA AD CF-2020-42
DAL asked for clarification that the exception identified in
paragraph (h) of the proposed AD does not deviate from the TCCA AD. DAL
stated that TCCA AD CF-2020-42 and Airbus Canada Service Bulletin
BD500-536004, Issue No. 001, dated August 13, 2020, both include
instructions for implementation of corrective action to documented
discrepancies, and neither include any allowance to defer the
corrective action beyond the maintenance opportunity in which the
inspection is performed and the corrosion is documented.
The FAA disagrees that this AD does not deviate from the TCCA AD.
Paragraph (h) of this AD is included as an exception to the MCAI
because the TCCA AD does not explicitly state in the ``Compliance'' or
``Corrective Actions'' sections that when corrosion is found, the
corrective action of corrosion repair must be done before further
flight. The inclusion of paragraph (h) of this AD requires that the
corrective action is done ``before further flight'' after detection of
corrosion, as identified in the applicable service information
specified in TCCA AD CF-2020-42, instead of the compliance time
specified in TCCA AD CF-2020-42 for all applicable actions. The FAA has
revised paragraph (h) of this AD to specify that the corrective action
(corrosion repair) must be done before further flight after corrosion
is detected.
Conclusion
The FAA reviewed the relevant data, considered the comments
received, and determined that air safety and the public interest
require adopting this final rule as proposed, except for minor
editorial changes. The FAA has determined that these minor changes:
<bullet> Are consistent with the intent that was proposed in the
NPRM for addressing the unsafe condition; and
<bullet> Do not add any additional burden upon the public than was
already proposed in the NPRM.
Related Service Information Under 1 CFR Part 51
TCCA AD CF-2020-42 describes procedures for a general visual
inspection for corrosion of the waste box, waste access doubler, and
waste service door 146BR of the rear fuselage; application of
protective coating in the waste box area; and corrective actions. The
corrective actions include repair of any corrosion found. This material
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 28 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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Cost per Cost on U.S.
Labor cost Parts cost product operators
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8 work-hours x $85 per hour = $680........................... $0 $680 $19,040
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The FAA has received no definitive data on which to base the cost
estimates for the on-condition actions 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.
[[Page 38225]]
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.
Adoption of 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:
2021-13-20 Airbus Canada Limited Partnership (Type Certificate
Previously Held by C Series Aircraft Limited Partnership (CSALP);
Bombardier, Inc.): Amendment 39-21625; Docket No. FAA-2021-0031;
Project Identifier MCAI-2020-01420-T.
(a) Effective Date
This airworthiness directive (AD) is effective August 24, 2021.
(b) Affected ADs
None.
(c) Applicability
This AD applies to Airbus Canada Limited Partnership (type
certificate previously held by C Series Aircraft Limited Partnership
(CSALP); Bombardier, Inc.) Model BD-500-1A10 and BD-500-1A11
airplanes, certificated in any category, as identified in Transport
Canada Civil Aviation (TCCA) AD CF-2020-42, issued October 16, 2020
(TCCA AD CF-2020-42).
(d) Subject
Air Transport Association (ATA) of America Code 53, Fuselage.
(e) Reason
This AD was prompted by reports of corrosion on the waste box,
waste access doubler, and waste service door of the rear fuselage
due to contamination from waste valve leakage. The FAA is issuing
this AD to address this corrosion, which could lead to cracking or
holes in the waste box or airplane skin, and consequent cabin
pressure leakage and catastrophic structural damage of the airplane.
(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, TCCA AD CF-2020-42.
(h) Exception to TCCA AD CF-2020-42
Where TCCA AD CF-2020-42 specifies a compliance time of ``Within
14,200 flight cycles or 56 months from the aeroplane date of
manufacture, as identified on the identification plate of the
aeroplane'' or ``Within 9,900 flight cycles or 56 months from the
aeroplane date of manufacture, as identified on the identification
plate of the aeroplane,'' depending on airplane configuration, to
accomplish all applicable actions, this AD requires that corrosion
repair be done before further flight after detection of corrosion,
as identified in the applicable service information specified in
TCCA AD CF-2020-42.
(i) Other FAA 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 local Flight Standards District 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; fax 516-794-5531. 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.
(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 TCCA; or Airbus Canada's TCCA Design Approval
Organization (DAO). If approved by the DAO, the approval must
include the DAO-authorized signature.
(j) Related Information
For more information about this AD, contact Siddeeq Bacchus,
Aerospace Engineer, Mechanical Systems and Administrative Services
Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410,
Westbury, NY 11590; telephone 516-228-7362; fax 516-794-5531; email
<a href="/cdn-cgi/l/email-protection#7e47531f080d5310071f1d11531d110d3e181f1f50191108"><span class="__cf_email__" data-cfemail="4d74602c3b3e6023342c2e22602e223e0d2b2c2c632a223b">[email protected]</span></a>.
(k) 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) Transport Canada Civil Aviation (TCCA) AD CF-2020-42, issued
October 16, 2020.
(ii) [Reserved]
(3) For TCCA AD CF-2020-42, contact TCCA, Transport Canada
National Aircraft Certification, 159 Cleopatra Drive, Nepean,
Ontario K1A 0N5, Canada; telephone 888-663-3639; email <a href="/cdn-cgi/l/email-protection#4e0f0a630d000e3a2d60292d602d2f"><span class="__cf_email__" data-cfemail="44050069070a0430276a23276a2725">[email protected]</span></a>; internet <a href="https://tc.canada.ca/en/aviation">https://tc.canada.ca/en/aviation</a>.
(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. This material may be found in the AD
docket on the internet at <a href="https://www.regulations.gov">https://www.regulations.gov</a> by searching
for and locating Docket No. FAA-2021-0031.
(5) You may view this material 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#8debe8e9ffe8eaa3e1e8eaece1cde3ecffeca3eae2fb"><span class="__cf_email__" data-cfemail="600605041205074e0c0507010c200e0112014e070f16">[email protected]</span></a>, or go to: <a href="https://www.archives.gov/federal-register/cfr/ibr-locations.html">https://www.archives.gov/federal-register/cfr/ibr-locations.html</a>.
Issued on June 18, 2021.
Lance T. Gant,
Director, Compliance & Airworthiness Division, Aircraft Certification
Service.
[FR Doc. 2021-15346 Filed 7-19-21; 8:45 am]
BILLING CODE 4910-13-P
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