As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN TEMPERATURE NEVER REDUCED AFTER TAKE-OFF. RIGHT PACK PUTTING OUT HOT AIR / LEFT TEMPERATURE CONTROLLER INOPERATIVE. CABIN REACHED MAX OF 99 DEGREES. THE AIRCRAFT WAS GROUNDED. REPLACED THE CABIN TEMPERATURE CONTROLLER AND CLEANED ZONE TEMPERATURE SENSOR.