As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED OIL LEAK ON NR 2 ENGINE. ENGINE WAS WASHED DOWN AND RUN-UP. INSPECTION FOUND A 1.5 INCH CRACK JUST BELOW THE FORWARD TOP THROUGH-BOLT AREA, NEAR THE THRUST BEARING AREA OF THE FRONT OF THE CRANKCASE. THE ENGINE WAS REMOVED AND SENT FOR OVERHAUL.