AD Amdt-39-10431
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | GKN | Westland | Airworthiness Directives; GKN Westland Helicopters Limited WG-30 Series 100 and 100-60 Helicopters |
Unsafe Condition
Failure of a main rotor head tie-bar due to exceeding power-off transient rotor speed limitations could result in loss of a main rotor blade and subsequent loss of control of the helicopter.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Conduct an initial visual inspection and replace all main rotor head tie-bars if necessary. Thereafter, replace each tie-bar at intervals not exceeding 220 hours time-in-service with an airworthy tie-bar.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
GKN Westland Helicopters Limited WG-30 series 100 and 100-60 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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