As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON RECALL CONT CAB ZONE TEMP LIGHT ILLUMINATED, GOES OUT WHEN RESET. GROUNDED - YES. PERFORMED ZONE TEMP CONT BITE IAW FIM 21-62, TASK 801. FOUND NR 2 CONTROL FAULT, CONTROL CABIN TRIM VALVE. REMOVED AND REPLACED V143 TRIM VALVE IAW AMM 21-61-211. OPS CHECKED GOOD.