As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER START UP, CONT CAB ZONE TEMP LIGHT ILLUMINATED. EXTINGUISHED WITH PUSH TO RESET BUTTON. FLIGHT CREW PLACARDED. ACFT GROUNDED. NR 2 TEMP CONTROLLER SHOWS TRIM VALVE, FLIGHT DECK FAULT. RESET FAULT. FAULT DID NOT RETURN. BITE TEST NR 2 TEMP CONTROLLER GOOD. FUNCTIONAL CHECK CONTROL CABIN TEMP CONTROL GOOD. GROUND VERIFICATION GOOD, REF FIM 21-62/T832.