As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MIA INFLIGHT - NR 1 ENGINE OIL PRESSURE ND QUANTITY LOSS DURING CRUISE. CREW SHUT DOWN NR 1 ENGINE. RETURNED TO MIA AND LANDED WITHOUT INCIDENT. SINGLE ENGINE TIME 50 MINUTES. REPLACED NR 1 ENGINE ON 28 OCT AT MIA DUE TO LEAK FROM RADIAL DRIVE SHAFT. SYSTEM GROUND CHECKED NORMAL OPERATION.