As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
WHEN RECALL FOR MASTER CAUTION SYSTEM IS PRESSED, AIR COND IS ILLUMINATED WITH A ZONE TEMP LIGHT FOR THE FWD CAB. LIGHTS EXTINGUISH WHEN MASTER CAUTION SYSTEM IS RESET. GROUNDED - YES. FWD CAB ZONE TEMP OPS CHECK GOOD IAW FIM 21-62 TASK 843.