As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN ZONE TEMP LIGHT ON WILL NOT RESET WITH MASTER CAUTION RESET. ACFT GROUNDED. DEACTIVATED RIGHT PACK FLOW CONTROL AND SHUTOFF VALVE, OPENED AND CLOSED THE CIRCUIT BREAKER. FWD CABIN ZONE TEMP LIGHT EXTINGUISHED AFTER CLOSING THE CIRCUIT BREAKER.