As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
YHZ - INFLIGHT MXP-JFK. CREW REPORTED ELECTRICAL ODOR IN THE COCKPIT AND FORWARD EQUIPMENT COOLING STATUS MESSAGE. EMERGENCY DECLARED FLIGHT DIVERTED YHZ LANDED WITHOUT INCIDENT. REPLACED FORWARD EQUIPMENT EXHAUST FAN. SYSTEM GROUND CHECK NORMAL OPERATION.