As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EICAS MESSAGE LT PACK TEMP AND PACK OFF DISPLAYED AND WOULD NOT RESET. STRONG ELECTRICAL ODOR IN COCKPIT PRIOR TO L PACK TEMP EICAS ILLUMINATED. FOLLOWED QRH. PACK INOPERATIVE. PERFORMED INSPECTION OF LEFT PACK, FOUND FAILED AIR CYCLE MACHINE. PER M/M 21-51-03-004-001 SYSTEM TEST OK, CLEARED CI WITH MCC CHAN.