AD Amdt-39-10230

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes

AD Number
Amdt-39-10230
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 97-NM-271-AD
FR Citation
62 FR 63622

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747 Airworthiness Directives; Boeing Model 747 Series Airplanes

Unsafe Condition

Potential failures within the electrical motor assembly of the scavenge pump could result in fuel leakage from the electrical connector into the main landing gear wheel well or electrical arcing within the scavenge pump motor, leading to a fuel fire in the wheel well.

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

Required Actions

Disconnect the electrical connector to the scavenge pump of the center wing tank, perform a one-time inspection to identify the part number of the electrical connector, and replace the pump with a new pump if necessary.

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

Boeing Model 747 series airplanes with scavenge pumps installed as part of the center wing tank system.

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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