As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN ZONE TEMP LIGHT ON RECALL AFTER STARTING ENGINES. ACFT GROUNDED. PERFORMED PACK ZONE TEMP BITE CHECK IAW AMM 21-60-00 ON BOTH CONTROLLERS, FOUND NR 2 CONTROLLER FLIGHT DECK RED LIGHT ON. BITE CHECK CLEARED ALL FAULTS AND PERFORMED BITE. NO DEFECTS NOTED, ACFT GOOD FOR SERVICE.