What was found
MSY - FLT 289 - EN ROUTE DCA-MSY, DURING DESCENT INTO MSY, AN ODOR BECAME PRESENT IN BOTH THE COCKPIT AND CABIN. FLIGHT LANDED WITHOUT FURTHER INCIDENT. MAINTENANCE INSPECTED THE ELECTRONICS BAYS AND CABIN FOR ODORS. NONE WERE FOUND. THE ENGINES AND PACK WERE OPERATED. NO ODORS WERE NOTED. OK FOR SERVICE. (M)