What was found
AIRCRAFT ON 135 FLIGHT, PILOT NOTICED BLUE FLAME IN COWLING, RIGHT ENGINE. LANDED AT COLUMBIA, MO ON A SCHEDULED STOP. FOUND NR 5 CYLINDER HAD EXHAUST HOLE BURNED THROUGH CYLINDER FORWARD SIDE, .25 INCH BY 1 INCH. HOLE STARTED ON INSIDE EXHAUST PART BY EXHAUST SEAT AND WORKED OR BURNED FORWARD FRONT OF ENGINE. CRACKS WERE NOTED FROM BOTH SPARKPLUG HOLES TO BURNED HOLE. THE CYLINDERS WERE NEW, ECI INSTALLED 2-18-99 AND HAD 974.6 HOURS ON CYLINDER, OCCURRED 11-20-00. (X)