AD Amdt-39-10383
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | GKN | Westland | Airworthiness Directives; GKN Westland Helicopters Ltd., 30 Series Helicopters |
Unsafe Condition
Cracks in the tail rotor drive shaft attachment flanges could result in loss of power to the tail rotor and subsequent loss of control.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Determine the total hours time-in-service (TIS) of the six tail rotor drive shafts, create a component history card or equivalent record for each shaft, and replace drive shafts exceeding specified TIS with an airworthy one.
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
GKN Westland Helicopters Ltd. 30 series helicopters
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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