As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) DURING ENGINE START BEFORE A SCHEDULED FLIGHT, SMOKE AND OIL SMELL WAS REPORTED IN THE CABIN. THE ENGINE IS ONLY 8 CYCLES OUT OF A SHOP VISIT FOR SIMILAR PROBLEMS. TROUBLESHOOTING IS ON GOING WITH THE HELP OF SERVICE ENGINEERING.