As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DFW - CREW REPORTED OVERHEAT CONDITION ON LEFT WHEEL WELL. UPON RETURNING TO GATE RIGHT NUMBER 4 SLIDE WAS DEPLOYED DUE TO SMOKE IN CABIN. AIRCRAFT REMOVED FROM SERVICE. REPLACED LEFT ELECTRIC HYDRAULIC PUMP AND RIGHT NUMBER 4 SLIDE. SYSTEM GROUND CHECK NORMAL OPERATION.