AD 2012-05-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Eurocopter | France Model | Airworthiness Directives; Eurocopter France Model Helicopters |
Unsafe Condition
Deterioration and failure of Starflex star arm ends, due to the strong effect of temperature on the strength of the bush-to-Starflex star arm end attachment.
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Required Actions
Modify the main rotor frequency adapters and bushes to improve ventilation in the area on the star arm end. Inspect the safety wire on the trailing edge of the frequency adapter and check for blocked holes in the frequency adapters and bushes. Reposition the bush and install more safety wire if the lockwire is missing. Unblock any blocked holes before further flight.
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Compliance Time
Within 110 hours time-in-service (TIS) for modifying the frequency adapters and bushes. Within 10 hours TIS for inspecting the safety wire and holes, and thereafter at intervals not to exceed 10 hours TIS.
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Affected Aircraft
Eurocopter France Model SA-365C, SA-365C1, SA-365C2, SA-365N, SA-365N1, AS-365N2, AS 365 N3, and SA-366G1 helicopters, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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