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Federal Register / Vol. 86, No. 136 / Tuesday, July 20, 2021 / Rules and Regulations 39.13

Authority for This Rulemaking Title 49 of the United States Code specifies the FAAs 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 Agencys 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.

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Adoption of the Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:
PART 39AIRWORTHINESS
DIRECTIVES
1. The authority citation for part 39
continues to read as follows:

Authority: 49 U.S.C. 106g, 40113, 44701.

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Amended
2. The FAA amends 39.13 by adding the following new airworthiness directive:

20211409 Airbus Canada Limited Partnership Type Certificate Previously Held by C Series Aircraft Limited Partnership CSALP; Bombardier, Inc.:
Amendment 3921636; Docket No.
FAA20210339; Project Identifier MCAI202001605T.
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 BD500
1A10 and BD5001A11 airplanes, certificated in any category, as identified in Transport Canada Civil Aviation TCCA AD
CF202004, dated March 9, 2020 TCCA AD
CF202004.
d Subject Air Transport Association ATA of America Code 28, Fuel.
e Reason This AD was prompted by a design review that identified rib 0 of the center wing box CWB as an area where a single failure of a clamshell type refuel/defuel line coupling could lead to the accumulation of dangerous levels of electrostatic charges within the fuel tank. The FAA is issuing this AD to address failure of a clamshell type refuel/defuel line coupling, which could lead to fuel tank ignition.
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 CF202004.
h Exceptions to TCCA AD CF202004
1 Where TCCA AD CF202004 refers to its effective date, this AD requires using the effective date of this AD.
2 Where TCCA AD CF202004 refers to hours air time, this AD requires using flight hours.
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
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responsible Flight Standards Office, as appropriate. If sending information directly to ATTN: Program Manager, Continuing Operational Safety, FAA, New York ACO
Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590; telephone 516228
7300; fax 5167945531. 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 TCCA; or Airbus Canadas 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 Joseph Catanzaro, Aerospace Engineer, Airframe and Propulsion Section, FAA, New York ACO Branch, 1600 Stewart Avenue, Suite 410, Westbury, NY 11590;
telephone 5162287366; fax 5167945531;
email 9-avs-nyaco-cos@faa.gov.
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. 552a 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 CF202004, dated March 9, 2020.
ii Reserved 3 For TCCA AD CF202004, contact TCCA, Transport Canada National Aircraft Certification, 159 Cleopatra Drive, Nepean, Ontario K1A 0N5, Canada; telephone 888
6633639; email AD-CN@tc.gc.ca; internet https tc.canada.ca/en/aviation.
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 2062313195. This material may be found in the AD docket on the internet at https
www.regulations.gov by searching for and locating Docket No. FAA20210339.
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 fedreg.legal@
nara.gov, or go to: https www.archives.gov/
federal-register/cfr/ibr-locations.html.
Issued on June 25, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202115351 Filed 71921; 8:45 am BILLING CODE 491013P

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