What was found
FLIGHT DIVERTED, WITH THE NR 2 ENGINE SHUTDOWN. CREW REPORTED THAT WHILE LEVEL AT FL 350, SMOKE STARTED CIRCULATING IN THE CABIN, THE NR 2 ENGINE WAS LOSING OIL QUANTITY, AND THE NR 2 ENGINE OIL PRESSURE WENT TO ZERO. THE QRH PROCEDURES WERE COMPLIED WITH AND THE NR 2 ENGINE WAS SHUTDOWN. MAINTENANCE FOUND OIL IN THE NR 2 ENGINE INLET AND EXHAUST SO THE NR 2 ENGINE WAS REPLACED.