What was found
APPROX 3 HOURS INTO THE FLIGHT THE LEFT ENGINE OIL QTY WENT TO ZERO (0) SHORTLY THEREAFTER THE OIL TEMP WENT TO INTO THE AMBER BAND (ABOVE 160?) AND THE OIL PRESS WENT TO 20 PSI, THE CHECKLIST FOR THE HIGH OIL TEMP WAS FOLLOWED AND ENGINE BROUGHT TO IDLE. IT WAS KEPT AT IDLE FOR THE REMAINDER OF THE FLIGHT. AFTER LANDING THE OIL QTY CAME TO 8 QTS AND THE OIL TEMPERATURE INDICATION WENT BLANK AFTER THE ENGINE WAS SHUTDOWN, THE OIL QTY WENT TO 8 QTS. OIL SCAVENGE INLET SCREEN ACCESSORY GEARBOX SCAVENGE INLET SCREEN HAS BEARING CAGE AND ROLLER BEARING DEBRIE IN INLET SCREEN. PHOTO OF DEBRIE SENT TO MOCC.R&R ENGINE. REF WIC 7100000-01-04.