AD Amdt-39-19046
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
Low-pressure compressor (LPC) case A-frame hollow locating pins, Part Number FK32009, manufactured since 2012 may have reduced integrity due to incorrect heat treatment. This could lead to failure to withstand applied loads in a Fan Blade Off (FBO) event, potentially resulting in engine separation, loss of thrust reverser unit, release of high-energy debris, or an uncontrolled fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace all non-conforming A-frame hollow locating pins, Part Number FK32009, on the affected engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211 Trent 553-61, Trent 553A2-61, Trent 556-61, Trent 556A2-61, Trent 556B-61, Trent 556B2-61, Trent 560-61, and Trent 560A2-61 turbofan engines with LPC case A-frame hollow locating pins Part Number FK32009 manufactured since 2012.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.