As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRANKSHAFT SPLIT NEXT TO THE NR 3 MAIN BEARING JOURNAL. FAILURE NEXT TO THE NR 4 CONNECTING ROD. CRANKSHAFT THEN BROKE INTO 3 PIECES AND PUNCTURED THE CRANKCASE ABOVE THE SUMP. ENGINE TEARDOWN RESULTS: A SCRAP CRANKCASE AND NR 3 CYLINDER ALSO SCRAP DUE TO DAMAGE. CAMSHAFT ALSO DAMAGED IN THE FAILURE.