As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AFTER ENGINE START, CONT CABIN ZONE TEMP ILLUMINATED ON RECALL. QRH PROCEDURE FOLLOWED. LIGHT EXTINGUISHED WHEN MASTER CAUTION SYSTEM RESET. GROUNDED - YES. PERFORMED B737-800 FIM TASK 21-62 TASK 842 AND CONT CABIN ZONE TEMP LIGHT EXTINGUISHED, NO FAULT LIGHTS ON RECALL.