AD 2017-10-13
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc | Airworthiness Directives; Rolls-Royce plc Turbofan Engines |
Unsafe Condition
Fractures found on the low-pressure (LP) fuel return tube at mid-span locations with resulting fuel leaks.
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Required Actions
Inspect the clip at the uppermost fan case LP fuel tube clip position, CP4881, and support bracket, P/N FW26692. If the clip fails inspection, replace it and inspect the fan case LP fuel tube, P/N FW53576, for fretting, and clips for cracks or failure. Perform an engine modification to terminate repetitive inspections.
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Compliance Time
Within 800 flight hours after October 20, 2015, or prior to further flight, whichever occurs later, and thereafter at intervals not to exceed 800 flight hours.
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Affected Aircraft
All Rolls-Royce plc RB211 Trent 768-60, 772-60, and 772B-60 turbofan engines fitted with fuel tube, part number FW53576, incorporated through production modification 73-F343 or modified in service per Service Bulletin RB.211-73-F343, Revision 4.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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