As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
COMPLAINT OF ROUGH RUNNING ENGINE, FOUND UPPER AND LOWER HALF OF CARBURETOR LOOSE ENOUGH SO LOWER HALF COULD BE SLID BACK AND FORTH. TOOK CARBURETOR APART, A VERY OLD STYLE VENTURI THAT AD APPLIED TO BUT IT NEVER GOT CHANGED. SENT CARBURETOR OUT FOR O/H. ACFT HAD BEEN IN STORAGE FOR MANY YEARS BEFORE CURRENT OWNER BROUGHT IT AND STARTED FLYING IT AGAIN.