What was found
ON APPROACH, SEVEN MINUTES PRIOR TO LANDING HAD SULFUR TYPE ODOR IN CABIN. SHUTDOWN GALLEY POWER AND GASPER, FAN ODOR QUICKLY DISSIPATED. LANDED TUL, INSPECTED CABIN LIGHTS GALLEYS, RAN AND INSPECTED PACKS, COULD NOT DUPLICATE. REPLACED WATER SEPARATOR BAGS, RETURNED TO SERVICE.