As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP LIGHT CONT CAB ILLUMINATES ON MASTER CAUTION RECALL. EXTINGUISHES WHEN MASTER CAUTION RESET IS PUSHED. PERF FIM TASK 21 62 00 810 842 CONTROL CABIN ZONE TEMP LIGHT ON AND STAYS OFF AFTER RESET HARD FAIL PRESENT ON NR 2 CONTROLLER FLT DECK TRIM VALVE. PERF FIM TASK 21 62 00 810 832 CONTROL CABIN TRIM AIR VALVE (PRIMARY) FAULT ISOLATION. REPLACED V143 TEMPERATURE CONTROL VALVE. GROUND VERIFICATION NORMAL.