As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD EQUIPMENT BAY EXHAUST FAN STATUS MESSAGE AT GATE WILL NOT ERASE. R & R FORWARD EQUIPMENT BAY EXHAUST FAN, FAN CONTROL CARD M990 & K1009 CONTROL RELAY. EQUIPMENT BAY EXHAUST FAN STATUS MESSAGE CLEARED & SYSTEM OPERATIONS NORMAL.