As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER TAKEOFF AND JUST LEAVING THE PATTERN THE NR 3 CYLINDER CAME APART. THE FRACTURE POINT WAS ABOUT MID CYLINDER. IT WAS REPORTED THAT THE PILOT HEARD A LOUD BANG FOLLOWED BY SMOKE COMING FROM THE ENGINE. THEY CALLED THE TOWER AND LANDED BACK ON THE FIELD WITHOUT INCIDENT.