Main Drive Shaft Airworthiness Directive

[Federal Register Volume 87, Number 14 (Friday, January 21, 2022)]


[Rules and Regulations] [Pages 3176-3182] From the Federal Register Online via the Government Publishing Office [www.gpo.gov] [FR Doc No: 2022-00991]


DEPARTMENT OF TRANSPORTATION Federal Aviation Administration 14 CFR Part 39 [Docket No. FAA-2021-0189; Project Identifier AD-2020-00645-R; Amendment 39-21875; AD 2021-26-16] RIN 2120-AA64


Airworthiness Directives; Various Restricted Category Helicopters

AGENCY: Federal Aviation Administration (FAA),DOT.


ACTION: Final rule. ––––––––––––––––––––––––––––––––––


SUMMARY: The FAA is adopting a new airworthiness directive (AD) for certain type certificated Model UH-1H restricted category helicopters. This AD was prompted by multiple reports of failure of the main driveshaft. This AD requires establishing a limit to replace certain main driveshafts, and a one-time and repetitive inspections of the main driveshafts. The FAA is issuing this AD to address the unsafe condition on these products. DATES: This AD is effective February 25, 2022. The Director of the Federal Register approved the incorporation by reference of certain publications listed in this AD as of February 25, 2022.


FULL DOCUMENT

2021-26-16(1)
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