As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS REPORTED TO BE RUNNING ROUGH AND WOULD NEARLY 'DIE' ON ROLL-OUT. FOUND CARBURETOR THROTTLE BODY TO BOWL SCREW LOOSE. REMOVED FROM ENGINE. INSPECTED FOR FURTHER DAMAGE, GASKET AND LOCKING TAB WASHERS REPLACED. ADJUSTMENTS CHECKED AND RETURNED TO SERVICE. CAUSE: POSSIBLE GASKET SHRINKAGE OR UNDERTORQUING OF SCREWS.