As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
PILOT REPORTED THE ENGINE WAS RUNNING EXCESSIVELY RICH AT ALL SETTINGS EXCEPT IDLE. PILOT DECIDED THE CARBURETOR SHOULD BE REPLACED. WHEN THE CARBURETOR WAS REMOVED, A ROUND PIECE OF HARD PEPPERMINT CANDY WAS FOUND WEDGED IN VENTURI. PILOT HAD COMPLAINED THAT RODENTS HAD FOUND HIS CANDY STASH ABOUT 3 WEEKS EARLIER AND SCATTERED CANDY ALL OVER THE AIRCRAFT.