AD 2008-22-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 757-200 and 757-300 | Airworthiness Directives; Boeing Model 757-200 and 757-300 Series Airplanes |
Unsafe Condition
Charred insulation blankets and burned wires around the forward gray water composite drain mast, potentially leading to a fire near a composite drain mast and possible disruption of the electrical power system due to a lightning strike on a composite drain mast.
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Required Actions
Install a bonding jumper between a ground and the clamp on the tube of the forward and aft gray water composite drain masts. Inspect existing aft bonding jumper assemblies for insufficient length, repair if necessary, and replace with a new, longer bonding jumper assembly if necessary.
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Compliance Time
Within 60 months of the effective date (December 17, 2008).
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Affected Aircraft
Boeing Model 757-200 and 757-300 series airplanes.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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