As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(CAN) AT CRUISE ALTITUDE 'ARINC COOL' & 'DISPLAY COOL'MESSAGES WERE GIVEN. FLIGHT ALTERNATE AND STANDBY SELECTIONS WERE TRIED BUT MESSAGE STAYED ON.AIRCRAFT PLANNED TO DIVERT BUT AT LOWER ALTITUDETHE MESSAGE WENT AWAY SO FLIGHT CONTINUED TO ORIGINAL DESTINATION.MAINTENANCE FOUND FLAPPER VALVE ON LOWER COOLING FAN STUCK OPEN. VALVE HAD GROOVE WORN ON HINGE ARM CAUSING IT TO HANG UP ON HINGE PIN MOUNT.