AD Amdt-39-10187
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Raytheon | Aircraft Company Models 1900 | Airworthiness Directives; Raytheon Aircraft Company Models 1900, 1900C, and 1900D Airplanes |
Unsafe Condition
Vent blower assembly bearings may seize and lock the blower motor, resulting in smoke from insulating material covering electrical wiring entering the airplane cabin.
AI-generated summary from the source AD text. Verify against the official source before acting.
Required Actions
Fabricate and install a placard restricting forward and aft vent blower assemblies to ``OFF'' or ``HIGH'' position. Replace bearings with improved design bearings and provide thermal protection for vent blowers as applicable. Incorporating the modification eliminates the need for the placard.
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Compliance Time
Before further flight
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Affected Aircraft
Raytheon Aircraft Company Models 1900, 1900C, and 1900D airplanes (formerly Beech Models 1900, 1900C, and 1900D)
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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