As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAS - INFLIGHT MIA-SFO. CREW REPORTED SMOKE AND FUMES IN AND COCKPIT AND THROUGH OUT CABIN. EQUIPMENT OVERHEAT LIGHT ILLUMINATED. ACCOMPLISHED QRH PROCEDURES WITH NO NOTICABLE DIFFERENCE. EMERGENCY DECLARED FLIGHT DIVERTED LAS LANDED WITHOUT INCIDENT. FOUND NUMBER ONE EQUIPMENT COOLING FAN SEIZED. REPLACED EQUIPMENT COOLING FAN. SYSTEM GROUND CHECK NORMAL OPERATION.