AD 2012-18-05
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; the Boeing Company Airplanes |
Unsafe Condition
Fuel system reviews identified potential ignition sources inside fuel tanks, which, in combination with flammable fuel vapors, could result in fuel tank explosions and consequent loss of the airplane.
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Required Actions
Add design features to detect electrical faults and to detect a pump running in an empty fuel tank. Ensure that a fuel pump's operation is not affected by certain conditions.
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Compliance Time
Within 60 months of the effective date (October 11, 2012).
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Affected Aircraft
The Boeing Company Model DC-9-10, DC-9-20, DC-9-30, DC-9-40, DC-9-50 series airplanes; and Model DC-9-81 (MD-81), DC-9-82 (MD-82), DC-9-83 (MD-83), DC-9-87 (MD-87), MD-88, and MD-90-30 airplanes; equipped with center wing fuel tank and Boeing original equipment manufacturer-installed auxiliary fuel tanks.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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