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Federal Register / Vol. 86, No. 34 / Tuesday, February 23, 2021 / Rules and Regulations
10769

ESTIMATED COSTS FOR REQUIRED ACTIONS
Labor cost
Cost per product
Cost on U.S.
operators
$595 per cycle

$63,665 per cycle.

Parts cost
7 work-hours $85 per hour = $595 per cycle

$0

The FAA has received no definitive data that would enable the agency to provide parts cost estimates for the required actions specified in this AD.

ESTIMATED COSTS FOR OPTIONAL ACTIONS
Labor cost
Parts cost
Cost per product
10 work-hours $85 per hour = $850

$0

$850

The FAA has received no definitive data that would enable the agency to provide parts cost estimates for the optional actions specified in this AD.

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 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
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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.

4 Model A340311, 312, and 313
airplanes.

List of Subjects in 14 CFR Part 39

e Reason This AD was prompted by reports of hydraulic system failure due to fatigue failure of the screws attaching the manual valve to the ground service manifold GSM. The FAA
is issuing this AD to address the failure of hydraulic system manual valve attachment screws. This condition, if not addressed, could lead to the loss of one or more hydraulic systems and damage to surrounding structure and components, possibly resulting in reduced control of the airplane, or injury to maintenance staff working in the main landing gear bay.

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 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:

20210106 Airbus SAS: Amendment 39
21382; Docket No. FAA20200674;
Product Identifier 2020NM070AD.
a Effective Date This airworthiness directive AD is effective March 30, 2021.
b Affected ADs None.
c Applicability This AD applies to Airbus SAS airplanes specified in paragraphs c1 through 4 of this AD, certificated in any category, as identified in European Union Aviation Safety Agency EASA AD 20200093, dated April 24, 2020 EASA AD 20200093.
1 Model A330201, 202, 203, 223, and 243 airplanes.
2 Model A330301, 302, 303, 321, 322, 323, 341, 342, and 343 airplanes.
3 Model A340211, 212, and 213
airplanes.

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d Subject Air Transport Association ATA of America Code 29, Hydraulic power.

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 20200093.
h Exceptions to EASA AD 20200093
1 Where EASA AD 20200093 refers to its effective date or to the effective date of EASA AD 20190314, this AD requires using the effective date of this AD.
2 The Remarks section of EASA AD
20200093 does not apply to this AD.
3 Where EASA AD 20200093 specifies to comply with the instructions of the AOT
Alert Operators Transmission, and the AOT specifies that the accomplishment instructions marked as Required for Compliance RC must be done, this AD
requires compliance with paragraph 4.4.2., Accomplishment Instructions, of the AOT
Airbus Alert Operators Transmission A29L01019, Revision 01, dated February 18, 2020 only; except paragraphs 4.4.2.11 and 4.4.2.21, which specify gaining access to the ground service manifold and preparation for update, may be accomplished in accordance with the operators maintenance or inspection program.

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