AD 2021-19-05

final rule
Data completeness: 80%

Airworthiness Directives; Leonardo S.p.a. Helicopters

AD Number
2021-19-05
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0724
FR Citation
86 FR 53189

Applicability

TypeManufacturerModelDetails
aircraft Aviat Various Airworthiness Directives; Leonardo S.p.a. Helicopters

Unsafe Condition

cracking in a hoist support assembly which, if not addressed, could affect the structural integrity of the hoist support assembly, leading to in-flight detachment of the hoist assembly, and possibly resulting in damage to, and reduced control of, the helicopter.

AI-generated summary from the source AD text. Verify against the official source before acting.

Required Actions

a one-time inspection of any hoist support assembly having P/N 212-8800-02-1 for cracking and, depending on the findings, replacement with a serviceable part, as specified in EASA Emergency AD 2021-0072-E, which is incorporated by reference.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Before further flight

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Leonardo S.p.a. Model AB412 and AB412 EP helicopters, all serial numbers.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 4, 2026

Rights: U.S. Government Public Domain

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