As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT CAB ZONE TEMP LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. EXTINGUISHED DURING MASTER CAUTION RESET PER QRH 2.22. GROUNDED - YES. PERFORMED FIM TASK 21-61 TASK 801 CBN TEMP CONTROLLER BITE PROC. VERIFIED & RESET. NO FAULT NOTED.