AD 69-22-03
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault Aviation | Fan Jet Falcon | Airworthiness Directives; AVIONS MARCEL DASSAULT Model Fan Jet Falcon and Fan Jet Falcon Series D Airplanes |
| aircraft | Dassault Aviation | Fan Jet Falcon Series D | Airworthiness Directives; AVIONS MARCEL DASSAULT Model Fan Jet Falcon and Fan Jet Falcon Series D Airplanes |
Unsafe Condition
Moisture ingress in the landing gear microswitch assembly could lead to failure of the microswitch, resulting in unreliable gear position indication.
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Required Actions
Replace unmodified microswitches with modified switches per Avions Marcel Dassault Service Bulletin No. 333, Revision 2, or later SGAC-approved issue, or FAA-approved equivalent. Specific part numbers to replace include A1.23802/A1.23802 V1 V2, A1.23801/A1.23801 V1 V2, A2.23802/A2.23802 V1 V2, and A2.23801/A2.23801 V1 V2.
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Compliance Time
within the next 50 hours' time in service after the effective date of this AD
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Affected Aircraft
AVIONS MARCEL DASSAULT Model Fan Jet Falcon and Fan Jet Falcon Series D Airplanes with Serial Numbers 73 and subsequent where the production microswitch has been replaced with an unmodified switch.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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