As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) PILOT REPORTED AN OIL LEAK AT THE FRONT OF THE ENGINE. THE ENGINE WAS CLEANED AND RUN-UP. INSPECTION REVEALED A CIRCUMFERENTIAL CRACK APPROXIMATELY ONE-HALF WAY AROUND THE OIL SEPARATOR REFERENCE LINE, WHERE IT IS WELDED TO THE BODY. A NEW PART HAS BEEN ORDERED FOR INSTALLATION.