As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
5602- STL- CREW REPORTED SMOKE IN CABIN AND COCKPIT DURING TAXI. MAINTENANCE REMOVED AND REPLACED #1 ENGINE SCAVENGE OIL FILTER. INSPECTED MAIN OIL FILTER FOUND NO DEFECTS. PERFORMED GROUND RUN FOR 80 MINUTES - NO SMOKE - NO OIL WARNING LIGHTS - OIL QUANTITY STABLE.