AD 2018-25-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
| engine | Rolls-Royce | RB211-Trent 800 | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Inadequate clearance between the thermal protection system (TPS) insulation blankets and the electronic engine control (EEC) wiring, which resulted in damaged wires.
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Required Actions
Repetitive inspections of the EEC wire bundles and clips, and corrective actions if necessary. A general visual inspection is acceptable when looking for damage of the EEC wire bundle and clips, accomplished prior to the effective date of this AD. On or after the effective date of this AD, a detailed inspection is required as specified in Boeing Service Bulletin 777-78-0082, Revision 1, dated June 15, 2015.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
The Boeing Company Model 777-200 and -300 series airplanes equipped with Rolls-Royce Model RB211-Trent 800 engines.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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