As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING AFTER START CHECKLIST ON RECALL AMBER AIR COND ILLUMINATED WITH OVERHEAD ZONE TEMP. LIGHT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. FLIGHT DECK PRIMARY TEMP CONTROL INOP. NR 2 PACK ZONE TEMP CONT SHOWS FLT DECK TRIM VALVE ON PREVIOUS FLT, GREEN FOR VERIFY, FAULT RESET REF FIM 21-62 TASK 842. RAN PACKS & VERIFIED BITE, ALL GREEN.