AD 2012-06-21
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault | AVIATION | Airworthiness Directives; DASSAULT AVIATION Airplanes |
| aircraft | Aviat | Various | Airworthiness Directives; DASSAULT AVIATION Airplanes |
Unsafe Condition
Fuel leakage from a defective fuel high-level sensor located in the wing front spar, specifically part number 722105-2, which could lead to internal fuel leakage with significant fuel vapors, potentially resulting in a fire hazard.
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Required Actions
Inspect the fuel quantity sensors to determine if part number 722105-2 is installed. Replace all P/N 722105-2 fuel quantity sensors with new P/N 722105-3 fuel quantity sensors, following the Accomplishment Instructions of Dassault Mandatory Service Bulletin F900-410.
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Compliance Time
Within 440 flight hours or 9 months after the effective date of this AD, whichever occurs first.
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Affected Aircraft
DASSAULT AVIATION Model MYSTERE-FALCON 900 airplanes, certificated in any category, all serial numbers.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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