As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ACFT RETURNED TO BASE DUE TO VIBRATION AT 300FT ON 2/8/25. PILOT REPORTED ENGINE STARTED SHAKING SIGNIFICANTLY. HE PULLED CARB HEAT HOT SAW NO CHANGE. TOLD TOWER HE WAS LANDING. CARB HEAT SYSTEM WAS INSPECTED WITH NO DEFECTS FOUND. CARB WAS REPLACED. CARB S/N OFF MS06CV14, S/N ON MS02BH01. RAN ENGINE, LEAK AND OPS TEST GOOD. AIRCRAFT RETURNED TO SERVICE. NO FURTHER VIBRATION REPORTED.