What was found
MCO - INFLIGHT LHR-MIA. CREW REPORTED ELECTRICAL SMELL INTERMITTANTLY IN COCKPIT DURING FLIGHT. TURNING OFF RECIRCULATION FANS DID NOT HELP. EMERGENCY DECLARED FLIGHT DIVERTED MCO LANDED WITHOUT INCIDENT. AIRCRAFT REMOVED FROM SERVICE. FOUND EQUIPMENT COOLING FAN AT FAULT. PLACARD FORWARD EQUIPMENT COOLING FAN INOPERATIVE PER MEL. REPLACED FORWARD EQUIPMENT COOLING FAN AT MIA ON 11/01/2011. SYSTEM GROUND CHECK NORMAL OPERATION.