AD 55-26-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | P. V. Shields | A-26B (Army) | Airworthiness Directives; DOUGLAS A-26 Aircraft |
| aircraft | P. V. Shields | A-26C (Army) | Airworthiness Directives; DOUGLAS A-26 Aircraft |
Unsafe Condition
Explosion in the air due to potential fuel tank fumes ignition in the rear fuselage fuel tank compartment.
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Required Actions
Install fume tight closure and sealing of bulkheads at Stations 332 and 369 with tight fitting grommets or fairleads around control cables. Remove and relocate electrical equipment and oxygen tanks from the tank compartment. Provide insulation around electrical terminals, ventilation airscoop and exit vent, and drain holes in the compartment bottom. Ensure fuel tank components are airworthy.
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Compliance Time
prior to actuation of fuselage fuel tank
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Affected Aircraft
Douglas A-26B (Army) and A-26C (Army) aircraft with rear fuselage fuel tank installation.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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