AD 2001-26-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Rolls-Royce, | plc RB211 Trent 800 Series Turbofan | Airworthiness Directives; Rolls-Royce, plc RB211 Trent 800 Series Turbofan Engines |
Unsafe Condition
LPC fan blade root cracking at a lower life than previously forecast, which could lead to LPC fan blade failure, multiple fan blade release, uncontained engine failure, and possible damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial inspections at modified thresholds and repetitive inspections at reduced intervals using new LPC fan blade inspection criteria. Renewal of dry film lubricant on removed blades.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211 Trent 875, RB211 Trent 877, RB211 Trent 884, RB211 Trent 892, and RB211 Trent 892B series turbofan engines with LPC fan blades part numbers FK23750, FK25975, FK25548, or FK26757 installed.
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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