AD 2005-13-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation Model S-92A | Airworthiness Directives; Sikorsky Aircraft Corporation Model S-92A Helicopters |
Unsafe Condition
Fatigue failure of the tail gear box output housing, part number 92358-06109-043, with 600 or more hours time-in-service (TIS), leading to loss of tail rotor drive 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 tail gear box output housing, P/N 92358-06109-043, with 600 or more hours TIS with an airworthy part with less than 600 hours TIS before further flight. Revise the Airworthiness Limitations section of the maintenance manual to reduce the life limit of the tail gear box output housing from 4500 hours TIS to 600 hours TIS.
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
Sikorsky Aircraft Corporation Model S-92A helicopters with a tail gear box output housing, part number 92358-06109-043, installed.
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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