As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ON APPROACH TO LANDING RT ENGINE STARTED TO RUN ROUGH. PILOT LANDED WITHOUT INCIDENT. AIRCRAFT WAS BROUGHT INTO THE HANGER AND A DP TEST WAS CONDUCTED ON THE ENGINE AND NR 6 CYLINDER WAS FOUND TO BE CRACKED FROM THE TOP SPARK PLUG HOLE ALL THE WAY AROUND TO THE LOWER SPARK PLUG HOLE. CYLINDER WAS REMOVED AND NO OTHER DAMAGE WAS NOTED.