As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT TOP OF DESCENT, RECALL PUSH ILLUMINATED CONTROL CABIN ZONE TEMP. COMPLIED WITH QRH. CABIN TEMP NORMAL. ACFT GROUNDED. ACCOMPLISHED PACK TEMP CONTROL BITE IAW FIM 21-62 TASK 801. NR 2 CONTROLLER SHOWS FLIGHT DECK TRIM VALVE FAULT LAST LEG. ACCOMPLISHED VERIFY TEST, FAULT DID NOT RETURN. RESET FAULT, FLIGHT DECK ZONE TEMP OPS NORMAL.