As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRANKSHAFT NR 2 MAIN BEARING SHELL PROTRUDING MORE THAN NORMAL OUTSIDE OF THE CRANKCASE SADDLE. WHEN THE ENGINE WAS STRIPPED DOWN THE NR 2 BEARING SHELL LOCATED IN THE LT CRANKCASE FELL APART INTO AT LEAST FIVE PIECES. DAMAGE TO THE CRANKCASE WAS ALSO FOUND DUE TO THE FORE AND AFT MOVEMENT OF THE BEARING. SEVERE WEAR IN THE TANG LOCATING AREA.