Federal Register - December 20, 2021
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Fuente: Federal Register
Federal Register / Vol. 86, No. 241 / Monday, December 20, 2021 / Rules and Regulations Discussion of Final Airworthiness Directive Comments The FAA received no comments on the NPRM or on the determination of the costs.
Conclusion These helicopters have been approved by EASA and are approved for operation in the United States. Pursuant to the FAAs bilateral agreement with the European Union, EASA has notified the FAA about the unsafe condition described in its AD. The FAA reviewed the relevant data and determined that air safety requires adopting this AD as proposed. Accordingly, the FAA is issuing this AD to address the unsafe condition on these helicopters.
Related Service Information Under 1
CFR Part 51
EASA AD 20210065 requires installing rubber protections on the electrical wiring in the baggage/avionics compartment.
This material is reasonably available because the interested parties have access to it through their normal course of business or by the means identified in the ADDRESSES section.
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Other Related Service Information The FAA reviewed Leonardo Helicopters Alert Service Bulletin ASB
No. 109S100, dated February 2, 2021, for Model A109S helicopters, and Leonardo Helicopters ASB No. 109SP
142, also dated February 2, 2021, for Model AW109SP helicopters. This service information specifies procedures for installing protective rubber borders on the edge of the baggage avionics bay frames.
Costs of Compliance The FAA estimates that this AD
affects 3 helicopters of U.S. Registry.
Labor rates are estimated at $85 per work-hour. Based on these numbers, the FAA estimates the following costs to comply with this AD.
Installing protective rubber borders on the edge of the baggage avionics bay frames will take about 2 work-hours and parts will cost about $24 for an estimated cost of $194 per helicopter and $582 for the U.S. fleet.
The FAA has included all known costs in its cost estimate. According to the manufacturer, however, some of the costs of this AD may be covered under warranty, thereby reducing the cost impact on affected operators.
Authority for This Rulemaking Title 49 of the United States Code specifies the FAAs authority to issue
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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.
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:
20212501 Leonardo S.p.a.: Amendment 3921844; Docket No. FAA20210834;
Project Identifier MCAI202100298R.
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a Effective Date This airworthiness directive AD is effective January 24, 2022.
b Affected ADs None.
c Applicability This AD applies to Leonardo S.p.a. Model A109S and AW109SP helicopters, certificated in any category, as identified in European Union Aviation Safety Agency EASA AD 20210065, dated March 8, 2021
EASA AD 20210065.
d Subject Joint Aircraft Service Component JASC
Code: 2497, Electrical Power System Wiring.
e Unsafe Condition This AD was prompted by the discovery that rubber protection of certain electrical wiring had not been installed in the baggage avionics bay during production. The FAA is issuing this AD to prevent chafing of electrical wiring. The unsafe condition, if not addressed, could result in fire ignition and smoke in the baggage compartment and subsequent loss of control of the helicopter.
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 20210065.
h Exceptions to EASA AD 20210065
1 Where EASA AD 20210065 requires compliance in terms of flight hours, this AD
requires using hours time-in-service.
2 Where EASA AD 20210065 refers to its effective date, this AD requires using the effective date of this AD.
3 This AD does not mandate compliance with the Remarks section of EASA AD
20210065.
i No Reporting Requirement Although the service information referenced in EASA AD 20210065 specifies to submit certain information to the manufacturer, this AD does not include that requirement.
j Special Flight Permit Special flight permits are prohibited.
k Alternative Methods of Compliance AMOCs 1 The Manager, 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 local Flight Standards District Office, as appropriate. If sending information directly to the manager of the International Validation Branch, send it to the attention of the person identified in paragraph l of this AD.
Information may be emailed to: 9-AVS-AIR730-AMOC@faa.gov.
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