As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CONT CAB ZONE TEMP CAUTION LIGHT ILLUMINATES WITH MASTER CAUTION RECALL EXTINGUISHES WHEN RESET. GROUNDED - YES. PERFORMED BITE CHECK ON BOTH TEMP CONTROLLERS REF B737-900 FIM 21-62 TASK 801 NO FAULTS FOUND. GROUND VERIFICATION CHECKS NORMAL.