What was found
AIRCRAFT WAS GROUNDED, NR 1 ENGINE LOST OIL QUANTITY AND OIL PRESSURE AT FL380 IAW ECAM MESSAGES. FT CREW SHUTDOWN THE NR 1 ENGINE, DECLARED AN EMERGENCY AND DIVERTED TO BNA, LANDED SAFELY WITHOUT FURTHER INCIDENT. MAINTENANCE REPLACED THE NR 1 ENGINE IAW TASK CARD 26L40071004.