AD Amdt-39-14780

Recurring final rule
Data completeness: 80%

Airworthiness Directives; Rolls-Royce plc Models RB211 Trent 892, 884, 877, 875, and 892B Series Turbofan Engines

AD Number
Amdt-39-14780
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2006-25713
FR Citation
71 FR 57887

Applicability

TypeManufacturerModelDetails
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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