AD 2018-25-11

Recurring final rule
Data completeness: 80%

Airworthiness Directives; The Boeing Company Airplanes

AD Number
2018-25-11
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. FAA-2017-0246
FR Citation
83 FR 64233

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

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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