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Federal Register / Vol. 86, No. 96 / Thursday, May 20, 2021 / Rules and Regulations The FAA estimates that it takes about 1 work-hour per product to comply with the reporting requirement in this AD.
The average labor rate is $85 per hour.
Based on these figures, the FAA

estimates the cost of reporting the inspection results on U.S. operators to be $146,880, or $85 per product.
The FAA estimates the following costs to do any necessary on-condition
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actions that would be required based on the results of any required actions. The FAA has no way of determining the number of aircraft that might need these on-condition actions:

ESTIMATED COSTS OF ON-CONDITION ACTIONS
Labor cost
Parts cost
Cost per product
10 work-hours $85 per hour = $850

$12,990

$13,840

The FAA has included all known costs in its cost estimate. According to the manufacturer, however, some or all of the costs of this AD may be covered under warranty, thereby reducing the cost impact on affected operators.
Paperwork Reduction Act A federal agency may not conduct or sponsor, and a person is not required to respond to, nor shall a person be subject to penalty for failure to comply with a collection of information subject to the requirements of the Paperwork Reduction Act unless that collection of information displays a current valid OMB control number. The control number for the collection of information required by this AD is 21200056. The paperwork cost associated with this AD
has been detailed in the Costs of Compliance section of this document and includes time for reviewing instructions, as well as completing and reviewing the collection of information.
Therefore, all reporting associated with this AD is mandatory. Comments concerning the accuracy of this burden and suggestions for reducing the burden should be directed to Information Collection Clearance Officer, Federal Aviation Administration, 10101
Hillwood Parkway, Fort Worth, TX
761771524.
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
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that authority because it addresses an unsafe condition that is likely to exist or develop on products identified in this rulemaking action.
Regulatory Findings The FAA determined that 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, and 2 Will not affect intrastate aviation in Alaska.
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 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:

20211106 Airbus SAS: Amendment 39
21568; Docket No. FAA20210370;
Project Identifier MCAI202100477T.
a Effective Date This airworthiness directive AD becomes effective June 4, 2021.
b Affected ADs None.

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c Applicability This AD applies to the Airbus SAS
airplanes, certificated in any category, identified in paragraphs c1 through 4 of this AD.
1 All Model A318111, A318112, A318
121, and A318122 airplanes.
2 All Model A319111, A319112, A319
113, A319114, A319115, A319131, A319
132, A319133, A319151N, A319153N, and A319171N airplanes.
3 All Model A320211, A320212, A320
214, A320216, A320231, A320232, A320
233, A320251N, A320252N, A320253N, A320271N, A320272N, and A320273N
airplanes.
4 All Model A321111, A321112, A321
131, A321211, A321212, A321213, A321
231, A321232, A321251N, A321252N, A321253N, A321251NX, A321252NX, A321253NX, A321271N, A321272N, A321271NX, and A321272NX airplanes.
d Subject Air Transport Association ATA of America Code 56, Windows.
e Reason This AD was prompted by the loss of a windshield in flight, and the consequent rapid depressurization of the flight deck, which caused damage to flight deck items and systems and subsequent thermal shock and overheat, damage to windshield structural plies, and impaired structural integrity of the windshield. The FAA is issuing this AD to prevent failure of the windshield, which could result in injury to the flightcrew and in-flight depressurization of the airplane, and would require exceptional piloting skill to maintain control 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, European Union Aviation Safety Agency EASA AD 20210111, dated April 22, 2021 EASA AD 20210111.
h Exceptions to EASA AD 20210111
1 Where EASA AD 20210111 refers to its effective date, this AD requires using the effective date of this AD.
2 The Remarks section of EASA AD
20210111 does not apply to this AD.

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