As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) CRANKSHAFT BROKEN AT NR 1 CONNECTING ROD POSITION. NR 1 CONNECTING ROD BEARING SPINNING. CRANKCASE THRUST FACE WORN. INVESTIGATION FOUND THAT THE FAILURE WAS A RESULT OF FATIGUE INITIATING FROM A SMALL DEFECT ON THE CRANKSHAFT CHEEK ADJACENT TO THE SLUDGE TUBE HOLE.