As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN TROUBLESHOOTING POWER LOSS, FOUND PIECE OF FOREIGN MATTER (PROBABLY PIECE OF SPIRAL WRAP) IN CARBUREATOR THROAT. ALSO, FOUND MUFFLER TAKEOFF SHROUD ASSEMBLY BADLY DAMAGED AND SCREEN MISSING. PRESUMABLY PIECE OF SPIRAL WRAP FELL OFF OF STARTER CABLE AND INTO CARB HEAT DUCT (DUE TO MISSING SCREEN) AND WAS INJESTED INTO CARBURETOR.