As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) BEFORE FLIGHT THE CUSTOMER REPORTED THAT OIL SMOKE OCCURRED AFTER RIGHT HAND ENGINE START. SMOKE DETECTOR IN LAVATORY WAS ACTIVATED & THE REVENUE FLIGHT WAS CANCELLED AS A RESULT OF THE SMOKE. GROUND RUN WAS PERFORMED & THE SYMPTOMS WERE DUPLICATED. THE ENGINE WILL BE REPLACED.