AD 2001-16-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc. RB211 Trent Turbofan Engines |
Unsafe Condition
Cracks in low pressure compressor (LPC) fan blade dovetail roots, which could result in multiple LPC fan blade failures and an uncontained engine failure.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial ultrasonic inspections of LPC fan blade dovetail roots with blades removed. Repetitive ultrasonic inspections of LPC fan blade dovetail roots, with blades either removed or installed. Ultrasonic inspections with blades removed at least every third inspection interval.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the specified intervals as outlined in the service bulletin, with initial inspections and subsequent inspections at varying thresholds based on engine model.
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Affected Aircraft
Rolls-Royce plc. RB211 Trent 768-60, Trent 772-60, and Trent 772B-60 turbofan engines.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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