As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LAX - FLT 1816 - EN ROUTE LGB-LAX - SHORTLY AFTER TAKEOFF, LEFT ENGINE OIL BEGAN TO DECREASE. RAN OIL QUANTITY DECREASING CHECK LIST. LANDED LAX WITHOUT FURTHER INCIDENT. RE-SECURED LEFT SIDE ENGINE OIL TANK CAP. SERVICED LEFT SIDE ENGINE OIL TANK. REPLACED MAIN OIL FILTER. LEAK CHECKED OK. SYSTEM GROUND CHECKED NORMAL OPERATION. (M)