As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT AIR CONDITIONING PACK FILLED THE AIRCRAFT WITH A BURNING ODOR AND FAILED. RESET NORMALLY BUT THE ODOR REMAINED. DFW, MAINTENANCE INSPECTED LEFT PACK, NO DEFECTS NOTED. GROUND OPERATIONAL CHECKS WERE GOOD AND THE AIRCRAFT WAS RELEASED FOR FURTHER SERVICE. (M)