As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) THE PILOT USED EMERGENCY PROCEDURE DUE OIL ODOR IN THE CABIN UNDER UNKNOWN CIRCUMSTANCES, NO DETAILS AVAILABLE. IT WAS THE FIRST FLIGHT AFTER ENGINE INSTALLATION. DURING THE ON GROUND INSPECTION, TRACES OF OIL WAS OBSERVED IN THE BY-PASS DUCT.