What was found
AIRCRAFT WAS EN ROUTE FROM EWR TO AGS, NR 1 ENGINE LOW OIL PRESSURE LIGHT CAME ON. OIL PRESSURE AND OIL QTY WAS DROPPING ENGINE WAS SHUT DOWN IN FLIGHT. AIRCRAFT LANDED IN ATL WITHOUT INCIDENT. MAINTENANCE FOUND A DEFECTIVE LOW OIL PRESSURE SWITCH. REPLACED SWITCH PER MM 79-33-1. REPLACED MAIN ENGINE OIL SCREEN. SERVICED, RUN ENGINE AND REPLACED MAIN ENGINE OIL SCREEN PER MM 72-61-0. (M)