AD 2021-22-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| 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
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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.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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