AD 2018-07-20
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The potential of 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
Inspecting certain locations of the wire bundles of the center upper auxiliary fuel tank for damage, and corrective action if necessary. Installing nonmetallic barrier/shield sleeving, new clamps, new attaching hardware, and a new extruded channel. Do a general visual inspection of the wire bundles at the applicable center upper auxiliary fuel tank locations to determine if they touch the upper surface of the tank.
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Compliance Time
Within 50 flight hours after May 21, 2018
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Affected Aircraft
The Boeing Company Model MD-11 and MD-11F airplanes, Groups 1, 2, and 5, Configuration 2 airplanes as identified in Boeing Service Bulletin MD11-28-126, Revision 6, dated July 1, 2016.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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