As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
REFERENCE BUCK 58 PARTS CAT 57-20-24, ITEM 32. BAFFLE PLATE MAKING CONTACT WITH HEATED FUEL VENT VALVE FLOAT NOT ALLOWING VALVE TO CLOSE, DUMPING FUEL WHEN TANK IS FULL. SHIMS REQUIRED TO ALLOW VALVE TO MOVE. VALVE REPLACED WITH NO IMPROVEMENT.