AD 2023-03-04
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
Arcing inside the main and center fuel tanks in the event of a fault current or lightning strike, which, in combination with flammable fuel vapors, could result in a fuel tank explosion and consequent loss of the airplane.
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Required Actions
Installation of Teflon sleeves, cap sealing of fasteners, detailed inspections, and corrective actions. Revising the existing maintenance or inspection program to incorporate more restrictive airworthiness limitations (AWLs).
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Compliance Time
Not specified in the provided text.
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Affected Aircraft
The Boeing Company Model 777 airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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