As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) SMOKE IN CABIN, OIL FUMES AND SMOKE WAS OBSERVED IN THE COCKPIT AND CABIN. FLIGHT WAS CANCELLED AND THE ACFT RETURNED TO THE POINT OF ORIGIN. POST FLIGHT INSP FOUND OIL LEAKAGE IN THE LOW PRESSURE COMPRESSOR. ENGINE IS BEING REPLACED.