AD 2004-11-03

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747-400 and -400F Series Airplanes Equipped With Rolls Royce Engines

AD Number
2004-11-03
Status
final_rule
Effective Date
Product Category
engine
Docket
Docket No. 2003-NM-202-AD
FR Citation
69 FR 31002

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-400 and -400F Airworthiness Directives; Boeing Model 747-400 and -400F Series Airplanes Equipped With Rolls Royce Engines

Unsafe Condition

Damage or arcing of the power feeder cables and conduit of the integrated drive generator (IDG) in the forward section of all four struts, and chafing damage or arcing of the adjacent hydraulic lines in the aft section of the outboard struts.

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

Required Actions

Conduct repetitive inspections for damage or arcing of the power feeder cables and conduit of the IDG in the forward section of all four struts, and repair if necessary. Conduct repetitive inspections for chafing damage or arcing of the adjacent hydraulic lines in the aft section of the outboard struts, and repair if necessary. Eventually terminate the repetitive inspections by removing the conduit, installing a new shield/bracket assembly, and replacing two hydraulic lines in each engine strut, or by replacing the wiring and tubing support bracket with a new bracket.

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

Boeing Model 747-400 and -400F series airplanes equipped with Rolls Royce engines.

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

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View Official Source ↗ Find More ADs for Boeing 747-400 and -400F

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