AD 2024-16-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
A failure to prevent possible ignition sources in the fuel tanks, which in combination with flammable fuel vapors, could result in an explosion or fire and consequent loss of the airplane.
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Required Actions
Apply cap seals to four fastener collars inside the fuel tank common to the stiffeners located at the front spar on the left and right wings. The cap seals must be applied in accordance with Boeing Alert Requirements Bulletin 747-57A2371 RB, dated September 29, 2023.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
The Boeing Company Model 747-400F series airplanes, certificated in any category, as identified in Boeing Alert Requirements Bulletin 747-57A2371 RB, dated September 29, 2023.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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