AD 2008-22-08

final rule
Data completeness: 70%

Airworthiness Directives; Boeing Model 757-200 and 757-300 Series Airplanes

AD Number
2008-22-08
Status
final_rule
Effective Date
Product Category
aircraft
Docket
Docket No. FAA-2007-28160
FR Citation
73 FR 66740

Applicability

TypeManufacturerModelDetails
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.

AI-generated summary from the source AD text. Verify against the official source before acting.

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.

AI-generated summary from the source AD text. Verify against the official source before acting.

Compliance Time

Within 60 months of the effective date (December 17, 2008).

AI-generated summary from the source AD text. Verify against the official source before acting.

Affected Aircraft

Boeing Model 757-200 and 757-300 series airplanes.

AI-generated summary from the source AD text. Verify against the official source before acting.

Source: Official FAA Source ↗

Retrieved: Apr 6, 2026

Rights: U.S. Government Public Domain

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