As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CABIN ZONE TEMP LIGHT ILLUMINATED ON MASTER CAUTION RECALL. LIGHT EXTINGUISHED WHEN RESET. ACFT GROUNDED. PERFORMED PACK/ZONE TEMP CONTROLLER BITE. RT PACK/ZONE TEMP CONTROLLER LOGGED CONT CABIN TRIM VALVE. CONTROLLER PASSES VERIFY TEST REF FIM 21-62, TASK 801.