As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACCOMPLISHING TEST OF CROSSFEED VALVE, FOUND VALVE INOP AND ELECTRICAL CONNECTOR TO VALVE BURNED. FUEL CROSSFEED VALVE LIGHT ILLUMINATED BRIGHT IN ALL SWITCH POSITIONS. REPLACED FUEL CROSSFEED VALVE MOTOR ACTUATOR ASSEMBLY V39 AND CONNECTOR D792. REMOVED ACTUATOR ASSY WAS DIFFICULT TO OPERATE MANUALLY FROM CLOSE TO OPEN POSITION. CONNECTOR D792, PIN "B" WAS BURNED AND SHOWED EVIDENCE OF CORROSION.