AD 2021-12-11
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
A fire in the bilge area of the cargo compartment that burned through the insulation blankets that were intended to prevent smoke from migrating behind the cargo compartment sidewall liners and up into the main cabin.
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Required Actions
Replacing the cargo compartment insulation blankets on the left and right sides with new insulation blankets that incorporate fire stops. A general visual inspection of the replacement insulation blankets to determine if the blankets are in serviceable condition and correctly installed, and applicable on-condition actions. For certain airplanes, an inspection to determine the insulation blanket part number installed; replacement of additional insulation blankets; and applicable on-condition actions.
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Compliance Time
Before further flight
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Affected Aircraft
The Boeing Company Model 767-200 and -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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