AD 2007-19-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | McDonnell Douglas | MD-11 | Airworthiness Directives; McDonnell Douglas Model MD-11, MD-11F, DC-10-30 and DC-10-30F (KC-10A and KDC-10), DC-10-40, DC-10-40F, and MD-10-30F Airplanes |
Unsafe Condition
Inadequate bonding between the No. 2 fuel transfer pump adapter surface of the fuel tank and the fuel transfer pump housing flange could result in a potential ignition source inside the fuel tank if the fuel transfer pump and structure interface are not submerged in fuel, 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
Measure the electrical resistance of the bond between the No. 2 fuel transfer pump adapter surface of the fuel tank and the fuel transfer pump housing flange. If the resistance is more than 2.5 milliohms, electrically bond the fuel tank No. 2 fuel transfer pump housing surfaces and verify the electrical resistance is 2.5 milliohms maximum. If not achieved, rework the electrical bond until the resistance is met.
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Compliance Time
Within 60 months after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model MD-11, MD-11F, DC-10-30 and DC-10-30F (KC-10A and KDC-10), DC-10-40, DC-10-40F, and MD-10-30F airplanes, certificated in any category; as identified in Boeing Service Bulletins DC10-28-250 and MD11-28-129, both dated July 26, 2006.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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