AD 2010-23-22
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Eurocopter France (Eurocopter) Model AS332L2 Helicopters |
Unsafe Condition
Failure of the right-hand main reduction gear module freewheel unit due to excessive wear on some of its components during in-flight engine failure (one engine inoperative (OEI)) training.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect each freewheel shaft at an approved repair station. Replace the main gearbox (MGB) modules if necessary. Insert information prohibiting engine failure OEI training into the Limitations section of the Rotorcraft Flight Manual (RFM).
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 40 hours time-in-service (TIS).
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Eurocopter Model AS332L2 helicopters with a freewheel shaft, part number (P/N) 332A32-2190-25, with No. 1 and No. 2 serial numbered shafts installed on a main gearbox (MGB) main reduction gear module, with specific P/N and serial number (S/N) combinations listed in the AD.
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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