What was found
(CAN) PILOTS REPORTED FUEL LEAK FROM CENTRE TANK DRAIN MAST ON REFUELING. CENTRE FUEL TANK SHUT OFF VALVE STUCK PARTIALLY OPEN, CYCLED AND CLOSED.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(CAN) PILOTS REPORTED FUEL LEAK FROM CENTRE TANK DRAIN MAST ON REFUELING. CENTRE FUEL TANK SHUT OFF VALVE STUCK PARTIALLY OPEN, CYCLED AND CLOSED.