AD 68-10-01
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault Aviation | Fan Jet Falcon | Airworthiness Directives; AVION MARCEL DASSAULT Model Fan Jet Falcon Airplanes |
Unsafe Condition
Rupture of the internal cores of the Janitrol Fuel Heater, P/N B 19D84, located in the engine pylons, could result in fuel leakage.
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Required Actions
Before next flight and thereafter before each flight when outside ambient temperature is 40°F or less, inspect fuel heater temperature, dry drain if water is present, operate fuel pumps for 15 minutes, and inspect for fuel leakage. Replace heater before further flight if leakage is found. Within 100 hours' time in service, inspect heater per Service Bulletin 358; replace defective heaters with inspected and marked units of same part number. Discontinue repetitive inspections after completing paragraph (b) or installing inspected heater.
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Compliance Time
Before next flight and thereafter before each flight where the outside ambient temperature at ground level is forty degrees Fahrenheit or less; within the next 100 hours' time in service unless already accomplished.
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Affected Aircraft
AVION MARCEL DASSAULT Model Fan Jet Falcon Airplanes with Janitrol Fuel Heater P/N B 19D84 in engine pylons.
AI-generated summary from the source AD text. Verify against the official source before acting.
Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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