As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(AUS) CRANKCASE CRACKED IN AREA OF NO1 BEARING - CRACK ALSO IN CRANKCASE TOP FLANGE AT 7TH HOLE FROM THE FRONT - NO1 BEARINGSPINNING AND BREAKING UP - FRETTING OF CRANKCASE MATING FACES INDICATES EXCESSIVE MOVEMENT POSSIBLY DUE TO INSUFFICIENT THROUGHBOLT TENSION