What was found
ON INITIAL DECENT, FLIGHT CREW NOTED A LOW INDICATION ON THE OIL PRESSURE GAGE FOLLOWED BY A LOW OIL PRESSURE LIGHT ON NR 1 ENGINE. THE FLIGHT CREW ELECTED TO SHUTDOWN THE LT ENGINE AND AN UNEVENTFUL LANDING WAS MADE WITH NO INJURIES TO PASSENGERS. CARRIER CONTRACT FOR INSPECTION AND MAINTENANCE, FOUND A DEFECTIVE O-RING ON LT ENGINE OIL DIP STICK. REMOVED AND REPLACED O-RING, SERVICED OIL AND PERFORMED A GROUND ENGINE RUN WITH NO DISCREPANCIES OR LEAKS NOTED. RETURNED AC TO SERVICE WITH NO ISSUES NOTED, REF NR 1 ENGINE OIL PRESSURE. (K)