AD Amdt-39-14780
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc Models RB211 Trent 892 | Airworthiness Directives; Rolls-Royce plc Models RB211 Trent 892, 884, 877, 875, and 892B Series Turbofan Engines |
Unsafe Condition
unsafe condition.
Required Actions
inspecting and replacing certain angle gearbox and intermediate gearbox hardware, and on-going repetitive inspections of the magnetic chip detectors. That AD resulted from reports of loss of oil from the angle drive upper shroud tube, the intermediate gearbox housing, the external gearbox lower bevel box housing, and by reports of bearing failures
Compliance Time
Within 50 flight hours
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc models RB211 Trent 892, 884, 877, 875, and 892B series 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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