As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONTROL CABIN AMBER ZONE TEMPERATURE ANNUNCIATOR ILLUMINATED ON RECALL. BITE CHECK OF THE ZONE/TEMPERATURE CONTROLLER INDICATED A FAILED CONTROL CABIN TRIM AIR VALVE. REPLACED THE CONTROL CABIN TRIM AIR VALVE AND OPERATIONAL CHECK NORMAL.