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Federal Register / Vol. 86, No. 157 / Wednesday, August 18, 2021 / Proposed Rules
Costs of Compliance
The FAA estimates the following costs to comply with this proposed AD:

The FAA estimates that this proposed AD affects 17 airplanes of U.S. registry.

ESTIMATED COSTS FOR REQUIRED ACTIONS
Labor cost
Parts cost
Cost per product
Up to 4 work-hours $85 per hour = Up to $340

Up to $1,650

Up to $1,990

According to the manufacturer, some or all of the costs of this proposed AD
may be covered under warranty, thereby reducing the cost impact on affected operators. The FAA does not control warranty coverage for affected operators.
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 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.

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The FAA determined that this proposed AD would not have federalism implications under Executive Order 13132. This proposed AD would 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 this proposed regulation:
1 Is not a significant regulatory action under Executive Order 12866, 2 Would not affect intrastate aviation in Alaska, and 3 Would not have a significant economic impact, positive or negative, on a substantial number of small entities under the criteria of the Regulatory Flexibility Act.

16:40 Aug 17, 2021

Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.
The Proposed Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA proposes to amend 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.
39.13

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

Airbus SAS: Docket No. FAA20210667;
Project Identifier MCAI202100580T.
a Comments Due Date The FAA must receive comments on this airworthiness directive AD by October 4, 2021.
b Affected ADs None.
c Applicability
Regulatory Findings
VerDate Sep<11>2014

List of Subjects in 14 CFR Part 39

Jkt 253001

This AD applies to Airbus SAS Model A350941 and 1041 airplanes, certificated in any category, as identified in European Union Aviation Safety Agency EASA AD
20210127, dated May 12, 2021 EASA AD
20210127.
d Subject Air Transport Association ATA of America Code 32, Landing gear.
e Reason This AD was prompted by a report that during type certification activity, it was identified that certain monitoring software was incorrectly implemented in the braking control system BCS certification standard.
The FAA is issuing this AD to address inservice limitations related to the braking and steering system, which, under specific degraded conditions, could lead to a reduction in braking performance and potentially lead to a runway excursion, and result in damage to the airplane and injury to passengers.

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Cost on U.S. operators Up to $33,830.

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 20210127.
h Exceptions to EASA AD 20210127
1 Where EASA AD 20210127 refers to its effective date, this AD requires using the effective date of this AD.
2 The Remarks section of EASA AD
20210127 does not apply to this AD.
i 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 j2 of this AD.
Information may be emailed to: 9-AVS-AIR730-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, 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.
3 Required for Compliance RC: Except as required by paragraph i2 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
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