AD Amdt-39-9205
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Boeing | 737-300 | Airworthiness Directives; Boeing Model 737-300, -400, and -500 Series Airplanes |
Unsafe Condition
Failure of the fireproof insulation top coat installed on the firewalls of the thrust reverser fan cowls due to certain combinations of insulation and topcoat materials allowing flame penetration.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Inspect the type of topcoat material on the insulation of the inner wall of the fan duct cowl firewall of the thrust reversers. Apply an improved topcoat material if necessary.
AI-generated summary from the source AD text. Verify against the official source before acting.
Compliance Time
Before further flight
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Affected Aircraft
Boeing Model 737-300, -400, and -500 series airplanes with certain combinations of insulation and topcoat materials on the firewall of the thrust reverser fan cowls.
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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