AD 2011-12-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company Model 737-100 | Airworthiness Directives; The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes |
Unsafe Condition
Damage to the fuel pumps caused by electrical arcing that could introduce an ignition source in the fuel tank, 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
Replace the fuel pump power control relays for the main, center, and auxiliary tanks, as applicable, with new relays having a ground fault interrupter (GFI) feature. Perform certain wiring changes and bonding resistance measurements. Modify relay module assemblies. Revise the maintenance program to incorporate certain Airworthiness Limitations.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 737-100, -200, -200C, -300, -400, and -500 Series Airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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