AD 2005-01-07
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 747-100 and -200B | Airworthiness Directives; Boeing Model 747-100 and -200B Series Airplanes |
Unsafe Condition
Inadequate electrical bonding between the housing of each fuel pump and airplane structure outside the fuel tanks could cause electrical arcing and ignition of fuel vapor in the wing fuel tank, which could result in a fuel tank explosion.
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Required Actions
Install bonding clips and bonding jumpers from the housing of each fuel pump to airplane structure outside the fuel tanks, following the Accomplishment Instructions in Boeing Alert Service Bulletin 747-28A2033, Revision 1.
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Compliance Time
Within 60 months after the effective date of this AD.
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Affected Aircraft
Boeing Model 747-100 and -200B series airplanes having line numbers 1 through 167 inclusive, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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