As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 PISTON CONNECTING ROD FAILED AT CONNECTING ROD CAP BEARING AREA CAUSING SEPARATION OF CRANK SHAFT TO CONNECTING ROD. CRANKSHAFT REMAINED AS 1 PIECE WITH PISTON AND ROD BEING PUSHED INTO CYLINDER OUT OF WAY OF SPINNING CRANKSHAFT. NO OTHER INFORMATION AVAILABLE AT THIS TIME AS ENGINE WAS SENT TO ENGINE SHOP FOR TEARDOWN AND DISPOSAL.