Federal Register - December 9, 2021

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Fuente: Federal Register

Federal Register / Vol. 86, No. 234 / Thursday, December 9, 2021 / Rules and Regulations searching for and locating Docket No.
FAA20210796; or in person at Docket Operations between 9 a.m. and 5 p.m., Monday through Friday, except Federal holidays. The AD docket contains this final rule, the EASA AD, any comments received, and other information. The address for Docket Operations is U.S.
Department of Transportation, Docket Operations, M30, West Building Ground Floor, Room W12140, 1200
New Jersey Avenue SE, Washington, DC
20590.
FOR FURTHER INFORMATION CONTACT: Hal Jensen, Aerospace Engineer, Operational Safety Branch, Compliance &
Airworthiness Division, FAA, 950
LEnfant Plaza N SW, Washington, DC
20024; phone: 202 2679167; email:
hal.jensen@faa.gov.
SUPPLEMENTARY INFORMATION:
Background EASA, which is the Technical Agent for the Member States of the European Union, has issued EASA AD 2021
0027R1, dated January 22, 2021 EASA
AD 20210027R1, to correct an unsafe condition for all Airbus Helicopters formerly Eurocopter Model AS355NP
helicopters.
The FAA issued a notice of proposed rulemaking NPRM to amend 14 CFR
part 39 by adding an AD that would apply to all Airbus Helicopters Model AS355NP helicopters. The NPRM

published in the Federal Register on September 23, 2021 86 FR 52853. The NPRM was prompted by a report of mechanical deformation found on the protective cover also referred to as switch guard of the SHEAR control pushbutton installed on a co-pilot collective stick of a Model EC225LP
helicopter, caused by incorrect handling; due to having an identical design switch guard installed on the pilot collective stick, Model AS355NP
helicopters are also affected. The NPRM
proposed to require replacement of the protective cover of the SHEAR control pushbutton, and re-identification of the pilot collective stick, as specified in EASA AD 20210027R1.
The FAA is issuing this AD to address mechanical deformation on the protective cover of the SHEAR control pushbutton installed on the pilot collective stick. The unsafe condition, if not addressed, could result in unintended shearing of the hoist cable, possibly resulting in injury to hoisted persons. See EASA AD 20210027R1
for additional background information.
Discussion of Final Airworthiness Directive Comments The FAA received no comments on the NPRM or on the determination of the costs.

69991

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. Except for minor editorial changes, this AD is adopted as proposed in the NPRM.
Related Service Information Under 1
CFR Part 51
EASA AD 20210027R1 requires replacement of the protective cover of the SHEAR control pushbutton, and re-identification of the pilot collective stick. 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.
Costs of Compliance The FAA estimates that this AD
affects 2 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.

ESTIMATED COSTS FOR REQUIRED ACTIONS
Labor cost
Parts cost
Cost per product
Cost on U.S.
operators
2 work-hours $85 per hour = $170

$360

$530

$1,060

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.

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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

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16:33 Dec 08, 2021

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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.

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.

Regulatory Findings
List of Subjects in 14 CFR Part 39

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:

Air transportation, Aircraft, Aviation safety, Incorporation by reference, Safety.

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The Amendment Accordingly, under the authority delegated to me by the Administrator, the FAA amends 14 CFR part 39 as follows:

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09DER1

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Federal Register - December 9, 2021

TítuloFederal Register

PaísEstados Unidos de América

Fecha09/12/2021

Nro. de páginas380

Nro. de ediciones7798

Primera edición14/03/1936

Ultima edición18/06/2026

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