What was found
ENGINE #2 OIL QUANTITY INDICATED 19 PRIOR TO START, 14 AFTER START, 10 AT THE TOP OF THE CLIMB, AND DECREASED TO 7 BY LANDING AFTER 2:51 FLIGHT TIME. RETURNED TO RKSI WITH ENGINE #2 AT IDLE POWER. REMOVED AND REPLACED WITH NO.2 ENG AND THEN LEAK CHECK NORMAL AND RUN UP TEST NORMAL AS PER AMM 71-00-02 AND AMM 71-00-00