What was found
ECAM NR 1 ENGINE LOW OIL PRESSURE AMBER FOLLOWED BY A NR 1 ENGINE LOW PRESSURE RED. CALLED FOR ENGINE SHUTDOWN. PERFORMED GVI OF THE NR 1 ENGINE IAW AMM 72-00-00, COULD NOT FIND OIL LEAK. SERVICED THE NR 1 ENGINE WITH OIL IAW AMM 12-13-79. PERFORMED DRY MOTOR RUN IAW AMM 71-00-00, PG BLK 501, TO CHECK FOR LEAKS. FOUND A LEAK FROM THE OIL FILTER HOUSING, AND FOUND METAL DEBRIS ON THE NR 3 MCD IAW AMM 72-00-00-210-814-A.