Airworthiness Directive
AD 2018-25-11: Engine exhaust
Airworthiness Directives; The Boeing Company Airplanes
- Effective
- Jan 18, 2019
- Published
- Dec 14, 2018
- Registered aircraft
- 32
Models this AD may apply to
AI-extracted — verify against originalMatched from the AD's applicability section. Applicability must be confirmed by a mechanic against the aircraft's records.
Aircraft
- Boeing 777-200
- Boeing 777-200ER
- Boeing 777-200F
- Boeing 777-200LR
- Boeing 777-300
- Boeing 777-300ER
- Only with: Equipped with Rolls-Royce RB211-Trent 800 engines with Boeing ASB 777-78A0094 incorporated, and on any engine TPS non-re-contoured insulation blankets P/N 315W5115-2, -6, or -20 installed on T/R inner wall and/or Rolls-Royce SB RR.211-71-H824 not incorporated.
- Only with: Equipped with Rolls-Royce RB211-Trent 800 engines with Boeing ASB 777-78A0094 incorporated, and on any engine TPS non-re-contoured insulation blankets P/N 315W5115-2, -6, or -20 installed on T/R inner wall and/or Rolls-Royce SB RR.211-71-H824 not incorporated.
Applicability
From the AD textThis AD applies to The Boeing Company Model 777-200 and -300 series airplanes, certificated in any category, equipped with Rolls-Royce Model RB211-Trent 800 engines, on which the actions specified in Boeing Alert Service Bulletin 777-78A0094 have been incorporated, and the condition specified in paragraph (c)(1) or (c)(2) of this AD is met on any engine, or both conditions specified in (c)(1) and (c)(2) of this AD are met on any engine. (1) Thermal protection system (TPS) non-re-contoured insulation blankets having part numbers (P/N) 315W5115-2, -6, or -20 are installed on the thrust reverser (T/R) inner wall. (2) Rolls-Royce Service Bulletin RR.211-71-H824, dated July 30, 2014, has not been incorporated on the engine.
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