As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FDM 6017 ORD-CVG (1226 PHX LCL). RETURNED TO GATE DUE TO SMOKE IN CABIN AND FLIGHT DECK. PILOT REPORTS THAT DE-ICE WAS STARTED WITHOUT HIS KNOWLEDGE AND WAS NOT ABLE TO SHUT APU OR PACKS OFF IN TIME TO PREVENT INGESTION. MX PERFORMED OP CHECKS OF PACK SYSTEM, NO SMOKE NOTED. SYSTEM OP NORMAL.