What was found
(CAN) CRANKSHAFT FRACTURED AT NR 2 MAIN BEARING JOURNAL FILLET NEXT TO NR 3 CHEEK. FAILURE IS IN LINE WITH NR 2 CONNECTING ROD JOURNAL IN AREA WHERE CRANKSHAFT IS INSPECTED FOR SUB-SURFACE CRACKS BY UT. MAIN BEARINGS WERE POUNDED TO VERY THIN METAL PIECES. NR 1, NR 2 MAIN BEARING SADDLES IN CRANKCASE WERE DAMAGED FOLLOWING FAILURE OF CRANKSHAFT, NR 2 MAIN BEARINGS. DUE TO AMOUNT OF DAMAGE, CAUSE OF FAILURE COULD NOT BE DETERMINED WITH INSPECTION EQUIPMENT AVAILABLE. CRANKSHAFT WAS MFG BY VAR PROCESS. AIRCRAFT WAS IN AN INCIDENT. CRANKSHAFT, CRANKCASE, MAIN BEARINGS, CONNECTING RODS, CYLINDERS AND PISTONS HAVE BEEN TAKEN BY NTSB.