As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EN ROUTE FROM DAY-SLC, THE NR 2 ENGINE OIL QUANTITY DROPPED TO 4 GALLONS AND RECOVERED TO NORMAL LEVEL ACCOMPANIED BY AN OIL PRESSURE LIGHT AND OIL PRESSURE FLUCTUATION. THE ENGINE WAS SHUT DOWN AND THE AIRCRAFT DIVERTED TO STL. MAINTENANCE FOUND THE DIFFUSER OIL SCAVENGE TUBE FOR THE NR 4, 4.5, 5 AND 6 BEARINGS DISLOCATED FROM ITS SEAL. THE ENGINE REQUIRED REPLACEMENT PRIOR TO RETURN TO SERVICE. (M)