As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GOUNDED: PACK WOULD NOT PRODUCE COLD AIR. RETURNED TO DFW AIRCRAFT LANDED OVERWEIGHT LANDING WEIGHT 161,000 LBS. SOFT TOUCHDOWN 300 FPM ORLESS VERTICAL SPEED. QUICK TURNAROUND WEIGHT NOT EXCEEDED. MAIINTENANCE REPLACED THE AIR CYCLE MACHINE.