As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ENGINE WAS RUNNING ROUGH AND DIED IN CHOCKS. FUEL WAS SEEN POURING FROM CARBURETOR/AIRBOX. CARBURETOR PN AV10-4164-1 (SN AV17142109) WAS REMOVED AND DISASSEMBLED FOR INSPECTION. FLOAT HAD FILLED WITH FUEL, BOTH HALVES, AND 3 PINHOLES WERE NOTED IN WELD AREAS. SAME DISCREPANCY WAS NOTED LAST YEAR ON SIMILAR PART NUMBER CARBURETOR (DIFFERENT SERIAL NUMBER/REGISTRATION NUMBER). CORRECTIVE ACTION LAST YEAR WAS FLOAT REPLACEMENT.