As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT INSPECTION AN AREA OF OIL IS NOTICED BEHIND PROP- IT APPEARS TO LOOK LIKE THE SPLIT CASE SEAM IS LEAKING. CLEAN AREA AND USE NDT DEVELOPER. RUN-UP PLANE AND CRACK APPEARS. THERE ARE SEVERAL STYLES OF CASE FOR THIS ENGINE. BUT ON A CERTAIN STYLE SEEMS TO CRACK.