As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT PACK OVERHEATED AND EMITTED BURNING ODOR. SLIGHT SMOKE NOTICED IN COCKPIT. PACK SHUTOFF BEFORE ANY AMBER CAS MESSAGE ILLUMINATED. PLACED ON MEL. VERIFIED DUAL BYPASS VALVE INOPERATIVE. CAUSING LT PACK TO RUN FULL HOT CREATING PACK SMELL. NO SIGNS OF SMOKE. (M)