As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) A POST FLIGHT INSPECTION FOUND AN OIL LEAK UNDER THE NR2 CYLINDER. FURTHER INSPECTION FOUND A HAIRLINE CRACK APPROXIMATELY 8 INCHES LONG COMING OFF THE LOWER AFT NR2 CYLINDER BASE SHORT STUD. THE ENGINE WAS REMOVED FROM SERVICE. THE CRANKCASE HALVES WERE REPLACED AND THE AIRCRAFT RETURNED TO SERVICE.