What happened
The FAA’s narrative, in sentence case. The FAA writes it in capitals and removes private details.
The pilot reported a rough running engine during climb out from kankakee, IL and diverted to Gary, IN. He landed without incident and no injuries were reported. Maintenance personnel removed the engine cowling and found the number 6 cylinder head was separated from the barrel. The cylinder was removed for further inspection. The cylinder had multiple cracks emanating from the spark plug hole to the valves and around the cylinder head. The barrel and the head were completely separated.
As the FAA filed it
THE PILOT REPORTED A ROUGH RUNNING ENGINE DURING CLIMB OUT FROM KANKAKEE, IL AND DIVERTED TO GARY, IN. HE LANDED WITHOUT INCIDENT AND NO INJURIES WERE REPORTED. MAINTENANCE PERSONNEL REMOVED THE ENGINE COWLING AND FOUND THE NUMBER 6 CYLINDER HEAD WAS SEPARATED FROM THE BARREL. THE CYLINDER WAS REMOVED FOR FURTHER INSPECTION. THE CYLINDER HAD MULTIPLE CRACKS EMANATING FROM THE SPARK PLUG HOLE TO THE VALVES AND AROUND THE CYLINDER HEAD. THE BARREL AND THE HEAD WERE COMPLETELY SEPARATED.