As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB TEMPERATURE CONTROLLER DOES NOT CHANGE TEMPERATURE IN FLIGHT DECK FLIGHT DECK REMAINED VERY COLD FOR DURATION OF FLIGHT. GROUNDED - YES. PERFORMED BITE CHECK ON PACK TEMP CONTROLLER NO FAULTS FOUND ACCOMPLISHED FIM 21-61 TASK 858, CONTROL CABIN TEMP CONTROL OPS CHECK GOOD.