As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
THIS FUEL VALVE DID NOT MEET THE CRITERIA OF MFG S.B.. THE RUNNING TORQUE OF THE VALVE WAS VERY HARD TO MOVE. WHEN TESTED WITH A TORQUE WRENCH IT EXCEEDED 25 INCH POUNDS. THE FUEL VALVE WAS DISASSEMBLED FOR LUBRICATION AND VALVE CONE WAS FOUND TO BE SEVERELY SCORED. THE VALVE WAS REPLACED WITH A NEW FUEL VALVE KIT NR 2390151S.