What was found
DURING THE COURSE OF NORMAL FLIGHT, THE PILOT NOTICED RIGHT ENGINE RUNNING ROUGH WITH A DROP IN ITS MANIFOLD PRESSURE. THE AIRCRAFT LANDED WITHOUT EVENT. MAINTENANCE WAS ABLE TO DETERMINE THAT THE NR 2 CYLINDER HEAD HAD SEPARATED FROM THE BARREL OF THE CYLINDER. THE DAMAGE WAS CONFINED TO THE CYLINDER, THE UPPER DECK LINES, INJECTOR LINES, INTAKE AND EXHAUST PIPES WERE ALL UNDAMAGED.