AD 2021-22-13

final rule
Data completeness: 70%

Airworthiness Directives; Leonardo S.p.a. Helicopters

AD Number
2021-22-13
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2021-0885
FR Citation
86 FR 60364

Applicability

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

Unsafe Condition

The requirement to accomplish a rated load check (RTC) on certain hoist assemblies may have been inadvertently left out of some aircraft maintenance publications (AMPs). This condition, if not detected and corrected, could lead to failure of the hoist assembly, possibly resulting in loss of external human cargo during hoist operations.

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

Required Actions

Performing an RTC on certain part-numbered hoist assemblies with certain part-numbered hoist cables installed and corrective actions if any discrepancies are found as specified in a European Union Aviation Safety Agency (EASA) AD, which is incorporated by reference.

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

Compliance Time

Before next hoist operation

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

Affected Aircraft

Leonardo S.p.a. Model AB139 and AW139 helicopters equipped with certain part-numbered Breeze external hoist assemblies that have not passed an RTC in accordance with certain maintenance manuals, maintenance instructions, or alert service bulletins after certain maintenance actions have been performed.

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

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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