AD Amdt-39-10754
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Rolls-Royce, | plc RB211 Trent 700 Series Turbofan | Airworthiness Directives; Rolls-Royce, plc RB211 Trent 700 Series Turbofan Engines |
Unsafe Condition
Failure of the SAGB driving bevel gearshaft ball bearing due to oil starvation, causing uncommanded engine rundowns and inflight engine shutdowns.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Reposition the oil metering jet within the oil distributor of the bevel gearshaft. Perform repetitive inspections of the Magnetic Chip Detector (MCD). Replace the Step Aside Gearbox (SAGB) if evidence of bearing failure is found.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Rolls-Royce, plc RB211 Trent 700 series turbofan engines
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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