AD 2014-05-25
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
The tail bearing housing (TBH) may not retain full limit load capability in all fail-safe conditions, potentially leading to disconnection of the TBH structural ring from the mounts.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the low-pressure turbine exhaust case and support assembly or tail bearing housing (TBH) to detect cracks or damage. Perform inspections as specified in the referenced service information.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within the compliance times specified in the referenced service information.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211-Trent 970-84, RB211-Trent 970B-84, RB211-Trent 972-84, RB211-Trent 972B-84, RB211-Trent 977-84, RB211-Trent 977B-84, and RB211-Trent 980-84 turbofan engines.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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