As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) ENGINE RECEIVED FOR REPAIR FOR A CRANKSHAFT CRACKED AT THE MAIN BEARING JOURNAL EXTENDING FROM THE FRONT EXPANSION PLUG SEAT IN A SPIRAL (ANTI CLOCKWISE FROM THE FRONT) TO APPROXIMATELY HALF WAY BETWEEN THE FORWARD THRUST FACE AND THE CROSS FEED OIL HOLE.