AD 2017-19-19
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
Low-pressure (LP) compressor case support pins and hollow dowels have insufficient material properties and do not meet specification requirements, which could result in loss of core to fan case concentricity, LP compressor blade rubs, possible blade release, or engine under cowl fire.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Replace all non-conforming low-pressure compressor (LPC) case support inboard pins.
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 Trent XWB-75, Trent XWB-79, Trent XWB-79B, and Trent XWB-84 turbofan engines with engine serial numbers listed in Appendix 1 of RR Alert Non-Modification Service Bulletin (NMSB) Trent XWB 72-AJ443, Revision 1, dated December 21, 2016.
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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