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 ON THE NR 1 ENGINE. ENGINE WASHED DOWN AND OIL LEAK WAS SEEN IN THE AREA OF NR 2 CYLINDER. FURTHER INSPECTION FOUND A THRU BOLT WAS FRACTURED. THE THRU BOLT WAS REPLACED AND THEAIRCRAFT RETURNED TO SERVICE.