As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AMBER AIR COND DOOR LIGHT ON FE PANEL BEGAN FLASHING THEN REMAIN STEADY. RED TAB DIRECT CREW TO LAND NEAREST SUITABLE FIELD. DENVER WAS CLOSEST. AIR COND DOOR CAUTION LIGHT INOP. CLOSED AND LOCKED BY VISUAL INSP PRIOR TO EACH DEPARTURE.