AD 2006-11-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | Aircraft Corporation Model S-92A | Airworthiness Directives; Sikorsky Aircraft Corporation Model S-92A Helicopters |
Unsafe Condition
Failure of the main transmission mounting bolt (part number SS5211-10-47) due to wear or corrosion, which could result in loss of support of the main transmission 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
Inspect each of the 8 main transmission mounting bolts for wear or corrosion within 100 hours time-in-service (TIS), unless the inspection was completed within the last 500 hours TIS. Replace any bolt found with wear or corrosion, along with the bolt barrel nut and cage, before further flight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 100 hours time-in-service (TIS), unless the inspection was completed within the last 500 hours TIS.
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 main transmission mounting bolt (part number SS5211-10-47) installed, certificated in any category.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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