As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START AND PRESSING MASTER CAUTION RECALL THE FWD CAB ZONE TEMP LIGHT ILLUMINATED BUT EXTINGUISHED WITH MASTER CAUTION RESET. GROUNDED - YES. PACK/ZONE TEMP CONTROLLER BITE DONE REF AMM 21-61-00-700-806-002 WITH NO FAULTS FOUND.