What was found
FLIGHT 9479 - EN ROUTE CVG-MHT RECEIVED A DISPLAY COOL MESSAGE, FLIGHT DIVERTED TO PIT. REPLACED CLOGGED AIR FILTER FOR THE ELECTRONIC FLIGHT INSTRUMENT SYSTEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT 9479 - EN ROUTE CVG-MHT RECEIVED A DISPLAY COOL MESSAGE, FLIGHT DIVERTED TO PIT. REPLACED CLOGGED AIR FILTER FOR THE ELECTRONIC FLIGHT INSTRUMENT SYSTEM.