AD 2010-10-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Sikorsky | S-92A | Airworthiness Directives; Sikorsky Aircraft Corporation (Sikorsky) Model S-92A Helicopters |
Unsafe Condition
Failure of the main gearbox (MGB) filter bowl assembly due to failure of the mounting studs or the filter bowl, leading to loss of oil from the MGB, failure of the MGB, 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 the MGB filter bowl assembly with a two-piece assembly and replace the existing mounting studs. Inspect the MGB lube system filters, housing, housing threads, and lockring counterbore, repairing or replacing them as necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 60 days
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Sikorsky Model S-92A helicopters with main gearbox (MGB) filter bowl assembly, part number 92351-15802-101, 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 6, 2026
Rights: U.S. Government Public Domain
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.