AD 2003-25-09
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B4-600 | Airworthiness Directives; Airbus Model A300 B4-600 Series Airplanes, Model A300 B4-600R Series Airplanes, Model A300 C4-605R Variant F Airplanes, and Model A300 F4-605R Airplanes |
Unsafe Condition
Short circuits between 115 Volts Alternating Current (VAC) wiring and certain fuel system electrical wire runs, leading to overheating of the cadensicon sensor thermistor or fuel level sensor, which could ignite fuel vapors in the fuel tank and cause an explosion.
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Required Actions
Modify elements of the electrical wiring to separate the cadensicon wiring from the 115 VAC wiring, and modify elements of the electrical wiring to separate the 115 VAC supply wiring of the fuel gauging system, in accordance with specified Airbus Service Bulletins.
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Compliance Time
Within 4,000 flight hours after the effective date of this AD.
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Affected Aircraft
Airbus Model A300 B4-600 series airplanes, Model A300 B4-600R series airplanes, Model A300 C4-605R Variant F airplanes, and Model A300 F4-605R airplanes, as listed in Airbus Service Bulletin A300-28-6066 or Airbus Service Bulletin A300-28-6070, Revision 01.
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Source: Official FAA Source ↗
Retrieved: Apr 6, 2026
Rights: U.S. Government Public Domain
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