As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP LIGHT FOR CONTROL CABINE ILLUMINATES WHEN MASTER CAUTON RECALL IS PRESSED. ZONE TEMP FOR CONTROL CABIN EXTINGUISHES WHEN MASTER CAUTION RESET IS PRESSED. FAULT CODE 216 22400. ACFT GROUNDED. FLT DECK TRIM VALVE FAULT NR 2 ZONE TEMP CONTROLLER. RESET & TESTS NORMAL IAW FIM 21-62, TASK 832.