AD 2006-03-14
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| engine | Rolls-Royce | plc RB211 Trent 500 Series | Airworthiness Directives; Rolls-Royce plc RB211 Trent 500 Series Turbofan Engines |
Unsafe Condition
Coking and carbon buildup in the HP-IP turbine oil vent tubes and bearing chambers can cause over-pressurization, leading to oil ejection and potential ignition, resulting in uncontained engine failure.
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 and bearing chambers for coking and carbon buildup are required. Replace the vent tubes if necessary.
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 553-61, 553A2-61, 556B-61, 556A2-61, 556-61, 556B2-61, 560-61, and 560A2-61 turbofan engines installed on, but not limited to, Airbus A340-500 and A340-600 series airplanes.
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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