As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AT GATE PRIOR TO DEPARTURE, WAS NOTIFIED BY FLT CREW OF EQUIP COOLING FAN OVERHEAT MSG WITH SLIGHT ELECTRICAL FUMES IN COCKPIT. FOUND FWD EQUIPMENT COOLING FAN POPPING CB. REMOVED FAN WAS SEIZED UP. REPLACED FWD EQUIPMENT COOLING FAN ONE.