As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT MAIN TANK INBD REFUEL VALVE CONTROL UNIT AND LT MAIN TANK OTBD REFUEL VALVE CONTROL UNIT STUCK IN OPEN POSITION. FOUND RT FUEL VALVE OK BUT FOUND LT WING INBD AND OTBD REFUELING VALVE STUCK IN OPEN POSITION WHICH CAUSED UNWANTED TRANSFER. REPLACED BOTH REFUEL VALVE CONTROL UNITS IN LT MAIN TANK.