As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT PACK ONLY HOT AIR. BURNING SMELL IN COCKPIT<[01] FOUND AIR CONDITIONING OVERHEAT BREAKER OUT; RESET BREAKER.RAN AND OPERATED PACKS FOR EXTENSIVE AMOUNT OF TIME; PERFORMED CONDITIONAL INSPECTION FOR ODOR PER M/M 05-51-56. SYSTEM CHECKS GOOD AND NO ODOR NOTED.