AD 2004-23-01

final rule
Data completeness: 70%

Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

AD Number
2004-23-01
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2004-18579
FR Citation
69 FR 74412

Applicability

TypeManufacturerModelDetails
aircraft Pilatus Aircraft Ltd Airworthiness Directives; Pilatus Aircraft Ltd. Model PC-7 Airplanes

Unsafe Condition

Failure of the Lear Romec RR53710B or RR53710K fuel booster pump wire leads due to lack of spiral wrap protection.

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

Required Actions

Inspect installed fuel booster pump wire leads for defects. If defects are found, replace the fuel booster pump with a modified version that includes spiral wrap. If no defects are found, install spiral wrap and add the suffix letter 'B' to the serial number on the identification plate.

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

Compliance Time

Before further flight

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

Affected Aircraft

Pilatus Aircraft Ltd. Model PC-7 airplanes with Lear Romec RR53710B or RR53710K fuel booster pumps (Pilatus part numbers 968.84.11.401, 968.84.11.403, or 968.84.11.404).

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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