What was found
(CAN) DURING INSPECTION METAL FOUND IN FILTER, LARGE PARTS FOUND IN FINGER SCREEN. CYLINDER NR 6 DIFFERENTIAL PRESSURE FOUND LOW, CYL REMOVED, FOUND LIFTER BODY FLANGE MISSING. UPON REMOVAL OF ALL CYLINDER ASSEMBLIES, IT WAS NOTED ALL PISTON SKIRTS WERE MISSING PIECES, CONNECTING RODS SCORED AND GROOVED, CYLINDER ASSEMBLY LOWER FLANGES PEENED AND CASE DAMAGED INTERNALLY. WHEN LOGS CHECKED AND PILOT QUESTIONED, IT WAS NOTED OIL USAGE AND ALL TEMPS WERE NORMAL FOR TYPE AND ENGINE WAS OF NORMAL POWER AND NO VIBRATION. IT IS THE SUBMITTERS OPINION THAT THIS POWERPLANT WAS HOURS FROM SELF DESTRUCTION.