What was found
RT ENGINE OIL QTY DECREASED TO ZERO, OIL PRESSURE DECREASED TO RED INDICATION. IAW QRH AND MCC, PERFORMED A PRECAUTIONARY SHUTDOWN AND DIVERTED. FOUND TAILPIPE, NR 2 ENG, FULL OF OIL. OPENED FAN COWLS THRUST REVERSER AND CORE COWLS. CHECKED CHIP DETECTORS, FOUND OK. REPLACED D SUMP OIL SEALS AND INSPECTED OIL LINES TO FROM NR 6 BEARING CAVITY REF AMM 72-57-00446360. REPLACED RT ENGINE IAW CF6-80C2B6F.