As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
40 MINUTES INTO FLIGHT, NR 1 ENG OIL QTY WAS OBSERVED TO BE AT 4 QTS AND STEADILY DECREASING TO 0. OIL TEMP WAS AT 155 AND INCREASED TO 165. OIL PRESS WAS AT 45 AND DECREASED TO 30 PRIOR TO ENG SHUTDOWN. ENG COOLED FOR 3.5 - 4 MINUTES PRIOR TO SHUTDOWN. REMOVED AND REPLACED LUBE AND SCAVAGE PUMP ON NR 1 ENG IAW MM 79-20. OPS AND LEAK CHECK IAW OPS AND LEAK CHECK GOOD.