AD Amdt-39-14265
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc RB211 Trent 875 | Airworthiness Directives; Rolls-Royce plc RB211 Trent 875, 877, 884, 884B, 892, 892B, and 895 Series Turbofan Engines |
Unsafe Condition
Multiple LPC fan blade failures due to cracks, which could result in 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
Ultrasonic-inspect and disposition the dovetail roots of LPC fan blades with part numbers FK30838, FK30840, FK30842, FW12960, FW12961, FW12962, and FW13175, using the specified methods from RR Alert Service Bulletin No. RB.211-72-AD344, Revision 7. Compliance times vary based on engine series and airplane maximum gross weight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in Tables 1 and 2 of the AD, based on engine series and airplane maximum gross weight.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211 Trent 875, 877, 884, 884B, 892, 892B, and 895 series turbofan engines with LPC fan blades part numbers FK30838, FK30840, FK30842, FW12960, FW12961, FW12962, and FW13175 installed. These engines are installed on, but not limited to, Boeing Company 777 series airplanes.
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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