AD 2001-10-06
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation Model S-76A | Airworthiness Directives; Sikorsky Aircraft Corporation Model S-76A, S-76B, and S-76C Helicopters |
Unsafe Condition
Failure of the main rotor shaft assembly (shaft) part number 76351-09030--all dash numbers, serial number B015-00700 through B015-00706, 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
Replace each affected main rotor shaft assembly with an airworthy shaft before further flight. Alternative methods of compliance may be approved by the FAA if they provide an acceptable level of safety.
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
Sikorsky Model S-76A, S-76B, and S-76C helicopters with main rotor shaft assembly part number 76351-09030, serial numbers B015-00700 through B015-00706.
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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