As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW NOTED AMBER ''CREW'' LIGHT ON WHILE ON THE GROUND. LIGHT WOULD GO OUT IN MANUAL MODE. CREW DEFERRED AUTOMATIC MODE PER MEL 21-13. RELOCATED AIRCRAFT TO LIT. FALCON JET SERVICE CENTER FOUND A FAILED COCKPIT TEMPERATURE CONTROL VALVE IN THE AIR CONDITIONING SYSTEM. VALVE WAS REPLACED WITH A REPAIRED UNIT AND OPERATIONAL CHECK PERFORMED. (X)