As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFT ZONE TEMP CONTROLLER LIGHT ILLUMINATED DURING MASTER CAUTION RECALL. ACFT GROUNDED. ACCOMPLISHED FIM 21-62, TASK 844. OPERATED RT AIR CONDITIONING PACK ZONE TEMP LIGHT REMAINS OFF. AFT CABIN SUPPLY DUCT TEMP MODULATES IN RELATION TO ZONE TEMP SELECTOR. PERFORMED PACK/ZONE TEMP CONTROLLER BITE REF FIM 21-62 TASK 801. NO FAULTS LOGGED.