AD 2011-12-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company Model 767 | Airworthiness Directives; The Boeing Company Model 767 Airplanes |
Unsafe Condition
Reports of fuel leaks from certain drain locations of the slat track housing near the engine exhaust nozzle, which could result in a fire when the airplane is stationary or taxiing at low speed. Reports of a bonding jumper assembly of certain drain tubes that did not meet bonding specifications and could result in electrostatic discharge and an in-tank ignition source. Reports of fuel leaks onto the main landing gear (MLG) as a result of a cracked drain tube at the number 5 or 8 slat track housing, which could let fuel drain from the main fuel tanks into the dry bay area of the wings and onto hot MLG brakes and result in a fire.
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Required Actions
Replace the drain tube assemblies. For certain airplanes, install an additional electrostatic bond path for the number 5 and 8 inboard slat track drain tube assemblies. For certain other airplanes, rework the bonding jumper assembly. Revise the applicability to include additional airplanes.
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Compliance Time
Within 50 flight hours after the effective date of this AD.
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Affected Aircraft
The Boeing Company Model 767 airplanes, including specific series and configurations as detailed in the AD. Affected by the presence of certain drain tube assemblies and bonding jumper assemblies.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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