AD 98-06-17
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Dassault Aviation | Mystere-Falcon 900 | Airworthiness Directives; Dassault Model Mystere Falcon 900 Series Airplanes |
Unsafe Condition
Overheating of the water heaters for the galley or the washbasin could result in damage to the water heater and nearby electrical wiring, and consequent smoke in the cabin.
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Required Actions
Replace the water heater control relays with improved relays having high-power contactors; add a testing and monitoring circuit for each contactor; and install improved electrical bonding of the potable water tank in accordance with Dassault Service Bulletin F900-181 (F900-38-12).
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Compliance Time
Within 7 months or 330 flight hours after the effective date of this AD, whichever occurs first
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Affected Aircraft
Dassault Model Mystere Falcon 900 airplanes equipped with l'HOTELLIER water system gauges having part number 5250, 5251, 5250-1, or 5251-1.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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