What was found
MCI - DIVERSION - FLT 0001 - CREW REPORTED THAT DURING CRUISE, EN ROUTE TO ORD FROM PHX, THE NR 2 ENG OIL QUANTITY HAD DROPPED 5 QUARTS IN 30 MINUTES. CREW THROTTLED BACK ON NR 2 ENGINE THEN DIVERTED TO MCI. NR 2 ENGINE OIL QUANTITY HAD REACHED 0 WHEN ON FINAL TO DIVERSION CITY, MCI. LANDED IN MCI WITHOUT FURTHER EVENT. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE DEOILER SEAL ASSEMBLY IAW MM 72-60-31-40. THE NR 2 ENGINE WAS LEAK CHECKED, NO LEAKS WERE NOTED. PREVIOUSLY ON 05/05/06, FLT 036, NR 4058150, THE NR 2 ENGINE HAD AN E6 CHECK WHERE THE DEOILER SEAL WAS REPLACED FOR LEAKING.