What was found
CREW REPORTED DURING CRUISE AT 25K WITH NO ISSUES, EVERYTHING WAS GREEN, WHEN THEY HEARD THE MASTER WARNING 3 CHIME, SAW THE ENGINE OIL PRESSURE GO FROM GREEN TO RED AND INDICATE 0 ON ENGINE 2. THEY PULLED OUT THEIR QRH AND THE ENGINE AUTO SHUTDOWN. CREW DECLAIRED ENGINE 2 FAILURE IN FLIGHT, DIVERTED, LANDED SAFELY AND WERE TOWED INTO THE GATE. MAINTENANCE TROUBLESHOT IAW AND FOUND THE CHIP DETECTOR AND MAIN ENGINE OIL FILTER COVERED IN FINE METAL PARTICLES. MAINTENANCE R & R E2 IAW AMM.