AD 2018-14-02
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | Company | Airworthiness Directives; The Boeing Company Airplanes |
Unsafe Condition
The degradation of the foam over time increases the potential for an uncontrolled fire below the passenger compartment floor and other locations outside the areas covered by smoke detection and fire protection systems.
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Required Actions
Perform a general visual inspection for foam insulation on the dripshield above the overhead panel support structure and replace if necessary. For certain airplanes, replace foam insulation on the overhead panel support structure.
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Compliance Time
Within 50 flight hours
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Affected Aircraft
The Boeing Company Model 777-200, -200LR, -300, and -300ER series airplanes, certificated in any category, as identified in Boeing Special Attention Service Bulletin 777-25-0621, Revision 1, dated August 4, 2017.
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Source: Official FAA Source ↗
Retrieved: Apr 4, 2026
Rights: U.S. Government Public Domain
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