AD 2007-12-12
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault | Mystere-Falcon 50 | Airworthiness Directives; Dassault Model Mystere-Falcon 50 Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; Dassault Model Mystere-Falcon 50 Airplanes |
Unsafe Condition
Interferences between the power wire supplying the galley's coffee-maker and the surrounding structure may cause chafing and degradation of wire insulation, leading to short circuits between the wire and aircraft ground through the composite cabinet structure without activating the Circuit Breaker (C/B). This could create hot spots and generate thick smoke behind the cockpit.
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Required Actions
Disable the galley's coffee-maker by pulling and locking out circuit breaker 710HG. Inspect for damaged wire sleeves, check their clearance, and perform corrective actions if discrepancies are found, including replacing worn or defective wire sleeves and shortening wires.
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Compliance Time
Within 50 flight hours or 1 month after the effective date, whichever occurs first, for disabling the coffee-maker. Within 1,530 flight hours or 24 months after the effective date, whichever occurs first, for wire inspection and corrective actions.
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Affected Aircraft
Dassault Model Mystere-Falcon 50 airplanes, certificated in any category, with serial number 275 through 293 and 295 through 303 and 305 through 330 inclusive, excluding airplanes that have already embodied Dassault Service Bulletin F50-456.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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