As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ZONE TEMP CONTROL CABIN LIGHT ILLUMINATED DURING TAXI AND RESET. ACFT GROUNDED. ACCOMPLISHED A PACK TEMP CONTROL BITE IAW FIM 21-62, TASK 801. FOUND THE NR 2 CONTROLLER SHOWS FLT DECK TRIM VALVE FAULTED. ACCOMPLISHED VERIFY TEST, NO CURRENT FAULTS. RESET FAULT, CABIN TEMP CONTROL OPS NORMAL.