What was found
PERFORMED PRECAUTIONARY ENGINE SHUTDOWN WON RT ENGINE IN CRUISE FL280. IN TITAN INDICATION WAS SECONDARY ENG DISPLAY APPEARING ON MFD & OIL QUANTITY 3. OIL TEMP & PRESSURE INDICATED NORMAL. AFTER APPROX 5 MINS, OIL PRESSURE SLOWLY BEGAN DECREASING OVER 30-40 MINS. ONCE OIL PRESSURE WAS IN YELLOW AT 19 PSI, PERFORMED A PRECAUTIONARY ENG SHUTDOWN USING ENGINE OIL PRESS R NON-NORMAL CHECKLIST, PRESSURE NO LESS THAN 17 PSI DURING SHUTDOWN. JETTISONED APPROX 25,000 POUNDS OF FUEL & DIVERTED TO CAIRO. SEVERAL EICAS EVENTS RECORDED. REMOVED AND REPLACED AGB ON RH ENG IAW AMM 72-64-02-4. WITH GEOW TEAM. NEED TO PERFORM TEST AND LEAK CHECK. ENGINE RAN, ALL LEAK AND TEST PASSED IAW AMM 72-64-02-4.