What was found
DURING CLIMBOUT, NOTED NR 1 ENGINE LOW OIL PRESS LIGHT ILLUMINATED. NR 1 OIL PRESS 20 PSI AND DROPPING, OIL TEMP DECREASING, NR 1 OIL QUANTITY 1.5 GAL AND DECREASING EVEN AFTER ENGINE WAS SHUTDOWN. PERFORMED INFLIGHT ENGINE SHUTDOWN AND QRH PROCEDURES INITIATED, FLIGHT RETURNED. REMOVED AND REPLACED NR 1 ENGINE AS REQUIRED IAW EWA M/M FORM ME-086. PERFORMED OPS AND LEAK CHECKS GOOD ON ENG RUN, ALL PARAMETERS GOOD IAW DC-8 EWA JET RUNBOOK FORM ME070.