As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ON CLIMBOUT RECEIVED ARINC COOL CAUTION MESSAGE. USED QRH PROCEDURE, MESSAGE WOULD NOT CLEAR. ON RETURN TO FAT DESCENDING THROUGH 25,000 FT MESSAGE WENT AWAY AFTER APPROXIMATELY 20 MINUTES.REPLACED ARINC FAN NR 1 AND REPLACED LOW FLOW ARINC DETECTOR. PERFORMED OPS TEST IAW 21-24-25. GROUND CHECK GRD ALT NORMAL/FLT ALT CHECK NORMAL.