As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SMOKE CAUTION APPEARED AT ABOUT 10,000 FEET, THEN THE INDICATION WENT AWAY. (FLT 6441) RAN ENGINES AT TAKEOFF POWER WITH PACKS ON, NO SMOKE OR SMELL NOTED IN CABIN OR LAV. SUSPECT DEICE FLUID INGESTED IN PACK. OPS CHECKS GOOD AT THIS TIME.