AD 2002-24-52

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 747-400, -400D, and -400F Series Airplanes

AD Number
2002-24-52
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. 2002-NM-314-AD
FR Citation
68 FR 14

Applicability

TypeManufacturerModelDetails
aircraft Boeing 747-400 Airworthiness Directives; Boeing Model 747-400, -400D, and -400F Series Airplanes

Unsafe Condition

Evidence of extreme localized overheating in the priming and vapor pump section of fuel pumps, which could provide an ignition source in the fuel tank during dry running, potentially resulting in fire/explosion.

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

Required Actions

Revise the Airplane Flight Manual to require flightcrew to maintain certain minimum fuel levels in the center fuel tanks and prohibit the use of the horizontal stabilizer fuel tank. Remove the reference to placards specified in the operating limitations required by another AD.

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 747-400, -400D, and -400F 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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