As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE ATL-SNA, CREW NOTICED BURNING/SMOKE ODOR IN FLIGHT DECK AND CABIN. NO VISIBLE SMOKE REPORTED. CREW COULD NOT ISOLATE SOURCE SO THEY ELECTED TO DIVERT TO DFW. UPON ARRIVAL DFW CONTRACT MECH FOUND NR 1 FWD EQUIP COOLING SUPPLY FAN EXTREMELY HOT AND SEIZED. MECH REPLACED FAN PER MM AND AIRCRAFT DISPATCHED ON TO SNA.