AD 98-11-08
Applicability
| Type | Manufacturer | Model | Details |
|---|---|---|---|
| aircraft | Airbus | A300 B2-1A | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2-1C | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2-203 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B2K-3C | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-103 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-203 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-2C | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-601 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-603 | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
| aircraft | Airbus | A300 B4-605R | Airworthiness Directives; Airbus Model A300, A310, and A300-600 Series Airplanes |
Unsafe Condition
Sticking of non-return valves located in the fuel system could result in fuel spillage overboard through the vent system and consequent insufficient fuel for the airplane to reach its flight destination.
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Required Actions
Replace non-return valves in the engine fuel feed lines on the outer fuel tank with new valves per applicable Airbus Service Bulletins within 18 months. For ETOPS or auxiliary tank-equipped airplanes without Modification 6094, replace inner tank booster pump canisters with modified canisters per applicable Service Bulletins.
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Compliance Time
Within 18 months after the effective date of this AD
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Affected Aircraft
Airbus Model A300, A310, and A300-600 series airplanes where Airbus Modification 8928 or 6094 has not been installed.
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Source: Official FAA Source ↗
Retrieved: Apr 8, 2026
Rights: U.S. Government Public Domain
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