As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(STC SA4529NM 3 BLADE HARTZELL) AT 777 TSO OF THE ENGINE, THE CRANKCASE WAS FOUND CRACKED THROUGH THE NR 2 CYLINDER MOUNTING PAD AREA AND LEAKING OIL. THE CASE WAS NOT REPAIRABLE. THIS IS THE 2ND TIME THIS AIRCRAFT ENGINE PROPELLER COMBINATION HAS CRACKED A CASE. PREVIOUS TSO WAS ONLY 689.