As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CREW REPORTED FWD EQUIPMENT SUPPLY FAN NR 1 EICAS MESSAGE DISPLAY IN AUTO MODE. ALL OTHER EQUIPMENT COOLING INDICATIONS NORMAL. REPLACED FAN CONTROL CARD M861 IAW FIM, NO HELP. REPLACED SUPPLY FAN AND NO HELP. FAN DOES NOT OPERATE. EQUIPMENT COOLING MONITOR CHECK FAULTS, F MULTI-PURPOSE CONTROL DISPLAY UNIT LT. SWAPPED FMCDU'S, CHECKS NORMAL.