As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON ARRIVAL CABIN (FRONT/COCKPIT) BECAME VERY WARM. THERE WAS A SMELL ASSOCIATED WITH TEMP. NO MASTER CAUTION MESSAGES. RAN QRH FOR WARM CABIN TEMP. TURNED OFF LEFT PACK; PER QRH. CABIN TEMP COOLED NORMALLY.<[01] REPLACED LEFT AIR CYCLE MACHINE PER M/M 21-51-04. OPS CHECKS OK;[02] REPLACED LEFT AIR CYCLE MACHINE PER M/M 21-51-04. OPS CHECKS OK. EV# E046916