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Federal Register / Vol. 86, No. 111 / Friday, June 11, 2021 / Rules and Regulations 5 Model A340541 airplanes.
6 Model A340642 airplanes.
d Subject Air Transport Association ATA of America Code 25, Equipment/furnishings.
e Reason This AD was prompted by reports that, for certain lower deck mobile crew rest LDMCR
units, the connection of a certain halon outlet tube to the outlet of a certain fire extinguisher bottle may be incorrect. The FAA is issuing this AD to address this condition, which, in case of a fire inside the LDMCR, could lead to disconnection of the tube, possibly resulting in reduced concentration of fire suppressing agent at any location inside the LDMCR.
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, EASA AD 20200255.
h Exceptions to EASA AD 20200255
1 Where EASA AD 20200255 refers to its effective date, this AD requires using the effective date of this AD.
2 The Remarks section of EASA AD
20200255 does not apply to this AD.

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i No Reporting Requirement Although the service information referenced in EASA AD 20200255 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
j Other FAA AD Provisions The following provisions also apply to this AD:
1 Alternative Methods of Compliance AMOCs: The Manager, Large Aircraft Section, 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 appropriate. If sending information directly to the Large Aircraft Section, International Validation Branch, send it to the attention of the person identified in paragraph k of this AD.
Information may be emailed to: 9AVSAIR
730AMOC@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, Large Aircraft Section, International Validation Branch, FAA; or EASA; or Airbus SASs EASA Design Organization Approval DOA. If approved by the DOA, the approval must include the DOA-authorized signature.

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3 Required for Compliance RC: Except as required by paragraph j2 of this AD, if any service information contains procedures or tests that are identified as RC, those procedures and tests must be done to comply with this AD; any procedures or tests that are not identified as RC are recommended. Those procedures and tests that are not identified as RC may be deviated from using accepted methods in accordance with the operators maintenance or inspection program without obtaining approval of an AMOC, provided the procedures and tests identified as RC can be done and the airplane can be put back in an airworthy condition. Any substitutions or changes to procedures or tests identified as RC require approval of an AMOC.
k Related Information For more information about this AD, contact Vladimir Ulyanov, Aerospace Engineer, Large Aircraft Section, International Validation Branch, FAA, 2200
South 216th St., Des Moines, WA 98198;
telephone and fax 2062313229; email vladimir.ulyanov@faa.gov.
l Material Incorporated by Reference 1 The Director of the Federal Register approved the incorporation by reference IBR of the service information listed in this paragraph under 5 U.S.C. 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 European Union Aviation Safety Agency EASA AD 20200255, dated November 13, 2020.
ii Reserved 3 For EASA AD 20200255, contact EASA, Konrad-Adenauer-Ufer 3, 50668
Cologne, Germany; telephone +49 221 8999
000; email ADs@easa.europa.eu; internet www.easa.europa.eu. You may find this EASA AD on the EASA website at https
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 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. FAA20210140.
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 May 20, 2021.
Lance T. Gant, Director, Compliance & Airworthiness Division, Aircraft Certification Service.
FR Doc. 202112175 Filed 61021; 8:45 am BILLING CODE 491013P

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DEPARTMENT OF TRANSPORTATION
Federal Aviation Administration 14 CFR Part 39
Docket No. FAA20201113; Project Identifier MCAI202000893T; Amendment 3921580; AD 20211118
RIN 2120AA64

Airworthiness Directives; Airbus SAS
Airplanes Federal Aviation Administration FAA, Department of Transportation DOT.
ACTION: Final rule.
AGENCY:

The FAA is superseding Airworthiness Directive AD 201903
10, which applied to all Airbus SAS
Model A300 series airplanes; and Model A300 B4600, B4600R, and F4600R
series airplanes, and Model A300 C4
605R Variant F airplanes collectively called Model A300600 series airplanes. AD 20190310 required repetitive detailed visual inspections of the main landing gear MLG leg components and replacement of the MLG leg if cracked components are found. This AD continues to require the actions required by AD 20190310. For certain airplanes, this AD also requires modification of the MLG hinge arm by installing improved MLG hinge arm/
barrel pins; an out-of-roundness check of removed pins; repetitive inspections of any affected pins and the associated connecting rod bushes, and replacement of the MLG leg if cracked components are found; and installation of an improved spacer; as specified in a European Union Aviation Safety Agency EASA AD, which is incorporated by reference. This AD was prompted by reports of cracks in MLG leg components and a determination that additional actions including inspections, modifications, and checks are needed to address the unsafe condition. The FAA is issuing this AD
to address the unsafe condition on these products.
DATES: This AD is effective July 16, 2021.
The Director of the Federal Register approved the incorporation by reference of a certain publication listed in this AD
as of July 16, 2021.
ADDRESSES: For EASA material incorporated by reference IBR in this AD, contact EASA, Konrad-AdenauerUfer 3, 50668 Cologne, Germany;
telephone +49 221 8999 000; email ADs@easa.europa.eu; internet www.easa.europa.eu. You may find this SUMMARY:

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