As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CABIN ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL DURING LANDING CHECK . EXTINGUISHES DURING MASTER CAUTION RESET. ACFT GROUNDED. BITE CHECKED BOTH ZONE TEMP CONTROLLERS IAW MM 21-61-00. FOUND NR 2 ZONE TEMP CONTROLLER FAULTED BACKUP CABIN SENSOR, CLEARED FAULT. CHECKED AND FAULT DID NOT REPEAT. OPS CHECKED NORMAL.