As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT WAS GROUNDED: AFTER TAKEOFF BRIEF OBSCURE SMELL FOLLOWED BY LEFT PACK TEMP SHOWING 140 DEGREES FAHRENHEIT AND THE RIGHT PACK WAS AROUND 40 DEGREES. FAULT CONFIRMED LEFT HAND ACM SEIZED. REMOVE AND REPLACED THE LEFT HAND PACK ACM-AIR CYCLE MACHINE ASSEMBL. PER AMM 21-51-04. OPERTIONAL AND LEAK CHECK GOOD AT THIS TIME.