AD 94-07-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | The Boeing Company | MD-11 | Airworthiness Directives; MCDONNELL DOUGLAS MD-11 and MD-11F Series Airplanes |
| aircraft | The Boeing Company | MD-11F | Airworthiness Directives; MCDONNELL DOUGLAS MD-11 and MD-11F Series Airplanes |
Unsafe Condition
The cavity vent tube, if not properly grounded, could act as an electrical path in the event of a lightning strike, leading to arcing in the tank cavity and possible resulting fire.
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Required Actions
Modify the cavity vent drain tube assembly at the center wing lower auxiliary fuel tank cavity in accordance with McDonnell Douglas MD-11 Service Bulletin 28-42, dated August 12, 1993.
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Compliance Time
Within 18 months after the effective date of this AD
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Affected Aircraft
McDonnell Douglas Model MD-11 and MD-11F series airplanes as listed in McDonnell Douglas MD-11 Service Bulletin 28-42, dated August 12, 1993, certificated in any category.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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