AD 2004-23-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc RB211 Trent 700 Series | Airworthiness Directives; Rolls-Royce plc RB211 Trent 700 Series Turbofan Engines |
Unsafe Condition
Internal oil fire in the HP-IP turbine oil vent tubes due to coking and carbon buildup, leading to disk shaft separation, overspeed of the IP turbine rotor, and multiple blade release of IP turbine blades.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Initial and repetitive borescope inspections of the HP-IP turbine oil vent tubes for coking and carbon buildup. Cleaning or replacing the oil vent tubes if they fail the inspection.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 50 flight hours after the effective date of the AD.
AI-generated summary from the source AD text. Verify against the official source before acting.
Affected Aircraft
Rolls-Royce plc RB211 Trent 768-60, RB211 Trent 772-60, and RB211 Trent 772B-60 series turbofan engines installed on, but not limited to, Airbus A330-243, -341, -342, and -343 series airplanes.
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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