As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CAB ZONE TEMP LIGHT ILLUMINATES UPON MASTER CAUTION RECALL AFTER ENGINE START - TEMP CONTROLLER IN FULL COLD OR FULL HOT SHOWED SUPPLY DUCT TEMP OF 18C CABIN TEMP INDICATED 24C. GROUNDED - YES. ACCOMPLISHED PACK TEMP CONTROL BITE PROCEDURE PER FIM 21-62 TASK 801. CLEARED ZONE TEMP FAULT. NO FURTHER DEFECTS NOTED.