What was found
ELECTRIC SMELL NOTED IN THE COCKPIT DURING EN ROUTE AND LANDING PHASE OF FLIGHT. ALL ELECTRICAL LOADS APPEAR TO BE NORMAL, WITH NO POPPED CIRCUIT BREAKERS. INSPECTED AND FOUND HGS-DEU COOLING FAN BAD. PLACED ON MEL 34-24. AIRCRAFT RETURNED TO SERVICE. MEL CLEARED BY RUNNING THE HGS FAN FOR SEVERAL MINUTES WITH NO ELECTRICAL SMELL NOTED. PERFORMED CAT III CHECK OF THE HGS SYSTEM, ALL CHECKS OK. NO PARTS REPLACED.