What was found
DECLARED EMERGENCY ON FINAL, 20NM TO 30NM, F/A CALLED AND SAID THEY SMELLED FUMES, NO SMOKE, IN AFT GALLEY AREA. THE ODOR SPREAD THRU CABIN TO FLIGHT DECK. THE EQUIPMENT COOLING LIGHT, IN NORMAL, CAME ON, SWITCHED TO ALT AND, OFF, LIGHT WENT OUT. ODOR ALSO PRESENT IN ELECTRONIC EQUIPMENT BAY. R & R NORMAL ELECTRONIC EQUIPMENT BLOWER IAW MM.