As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CLIMB, SMOKE WAS NOTICED IN THE CABIN. SMOKE DISSIPATED AFTER TURNING OFF WING AND ENGINE ANTI-ICE. RETURNED AIRCRAFT TO DEPARTURE AIRPORT AND MADE AN UNEVENTFUL LANDING. MAINTENANCE PURGED THE AC SYSTEM AND REPLACED THE COALESCER BAGS. OPERATIONAL CHECK OK.