AD 2011-26-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Aviat | Various | Airworthiness Directives; Rolls-Royce plc (RR) RB211-Trent 800 Series Turbofan Engines |
Unsafe Condition
Fuel leaks from the engine due to damage to sections of the fan case Low Pressure (LP) fuel tubes, caused by frettage between the securing clips and the tube outer surface, leading to localized thinning and eventual tube fracture.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the fan case LP fuel tubes and replace the associated securing clips. Replace damaged fuel tubes if they fail inspection. Perform repetitive inspections as required by the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight for initial inspection, with subsequent inspections at specified intervals as outlined 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, as specified in the AD docket.
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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