As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5647 -DIV/IFSD/DE- LEFT ENGINE IFSD DUE TO LOSS OF OIL PRESSURE AND QUANTITY. CORRECTIVE ACTION: FOUND OIL LEAK AT MAIN OIL FILTER COVER. REVIEWED FULL FLIGHT DATA, POSITIVE OIL PRESSURE WAS MAINTAINED DURING WINDMILL OPERATION. REPLACED EXTERNAL OIL PUMP PER B757AMM. NO LEAKS NOTED DURING OPERATIONAL CHECKS, COMPLIED WITH WINDMILL INSPECTION PER B757AMM, NO TROUBLE FOUND.