What was found
DURING TAKE OFF AND CLIMB OUT AT ABOUT 200 FEET OFF RUNWAY PILOT EXPERIENCED ENG STALL, PILOT MADE EMERGENCY LANDING WITH ENG RESTARTING AND STALLING SEVERAL TIMES, ENG WAS INSPECTED WITH BORESCOPE AND COMPRESSION GAUGE. NR 1 CYL HAD NO COMPRESSION AND HAD SCARRING ON CYL WALLS, CYL WAS REMOVED AND INTAKE VALVE WAS FOUND TO HAVE A HOLE BURNED THROUGH IT, PISTON AND PISTON RINGS WHERE REMOVED AND A OVERHAULED CYL AND NEW PISTON AND PISTON RINGS WHERE INSTALLED.