AD Amdt-39-10695

Recurring final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747 Series Airplanes

AD Number
Amdt-39-10695
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 98-NM-180-AD
FR Citation
63 FR 42210

Applicability

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

Unsafe Condition

Excessive wear of inlet adapters of override/jettison pumps allows contact between the inlet check valve and inducer, which could result in fire or explosion in the fuel tank during dry operation.

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

Required Actions

Revise the Airplane Flight Manual to advise flightcrew of limitations on dry operation of the override/jettison pumps. Inspect inlet check valves and inlet adapters for wear or damage, and replace with new or serviceable parts 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

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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