As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROLLER CABIN ZONE TEMP LIGHT ILLUMINATES ON MASTER CAUTION RECALL, LIGHT GOES OUT ON RESET. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE REF FIM 21-62, TASK 801. PREVIOUS FLT LOGGED, FLT DECK TRIM AIR VALVE. NOT CURRENTLY FAULTING ANY COMPONENT. PERFORMED OPS CK OF TRIM AIR VALVE REF MM 21-62-01-400-801. OPS CK GOOD. GROUND VERIFICATION SUCCESSFUL.