AD 2011-10-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Rolls-Royce plc RB211-Trent 800 Series Turbofan Engines |
| engine | Rolls-Royce | plc RB211-Trent 800 Series | Airworthiness Directives; Rolls-Royce plc RB211-Trent 800 Series Turbofan Engines |
Unsafe Condition
During manufacture of high-pressure (HP) compressor stage 1 discs, a machining defect was found, and analysis concluded that less severe defects may have passed into service, increasing the risk of failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect and remove the HP compressor stage 1-4 shaft, part number FK32580, from service within specified compliance times to reduce the risk of uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within specified compliance times based on usage, as detailed in the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211-Trent 800 Series Turbofan Engines, specifically part number FK32580.
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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