AD 2010-07-09
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
Cleaning of the vent tubes could lead to loosened carbon fragments, causing a blockage downstream in the vent flow restrictor, potentially resulting in internal oil fires due to coking and carbon buildup, which could cause uncontained engine failure and damage to the airplane.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Borescope-inspect and clean as necessary the HP-IP turbine internal oil vent tubes, external oil vent tubes, and bearing chamber according to the schedule in Table 1. Replace internal oil vent tubes within 10 cycles-in-service if cleaning is insufficient. Replace external oil vent tubes before further flight if visible carbon remains. Visually inspect the vent flow restrictor as specified.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Within 2 months after the effective date of this AD, or before returning to service if the engine is undergoing a shop visit.
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
This site is not affiliated with or endorsed by the FAA. Always verify with official sources.