As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED DISPLAY COOL AMBER MESSAGE IN FLIGHT. MESSAGE PERSISTED AFTER QRH COMPLETION. CREW DIVERTED AND LANDED WITHOUT INCIDENT. MAINTENANCE INSPECTED, RESECURED INLET COOLING DUCT ON PILOT’S DISPLAY COOLING PLENUM AND PERFORMED CHECKS. ACFT RELEASED FOR SERVICE.