What was found
(AUS) REFUEL/DEFUEL VALVES NOT CLOSING CORRECTLY ALLOWING AIR TO BE DRAWN INTO ENGINE FUEL SYSTEM. INVESTIGATION FOUND THE SEALINGWASHERS INSIDE THE VALVE ASSEMBLIES TO BE DEFECTIVE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) REFUEL/DEFUEL VALVES NOT CLOSING CORRECTLY ALLOWING AIR TO BE DRAWN INTO ENGINE FUEL SYSTEM. INVESTIGATION FOUND THE SEALINGWASHERS INSIDE THE VALVE ASSEMBLIES TO BE DEFECTIVE.