What was found
SEL - AFTER TAKEOFF, CREW REPORTED LOSS OF OIL QUANTITY AND OIL PRESSURE FOR NR 1 ENGINE. THE NR 1 ENGINE WAS SHUT DOWN. AIRCRAFT RETURNED TO SEL AND LANDED WITHOUT FURTHER INCIDENTS. NO EMERGENCY WAS DECLARED. GROUND MAINTENANCE DURING INSPECTION OF NR 1 ENGINE FOUND TUBE COUPLING FLEX SLEEVE ON D-SUMP SCAVENGE OIL LINE LOOSE. THE LINE WAS RE-SECURED AND SAFETY WIRED. RAN ENGINE FOR LEAK, NO LEAKS WERE FOUND. THE AIRCRAFT WAS RETURNED TO SERVICE FOR FLIGHT. (X)