As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
KMIA - SHUTDOWN NR 1 ENGINE AT 4:15 DUE TO LOSS OF OIL QUANTITY AND PRESSURE. FOUND HEAVY LEAK AT NOSE COWLING 4 O'CLOCK POSITION ON OIL PRESSURE LINE TO NR 1 BEARING DUE TO BROKEN O-RING. REMOVED AND REPLACED O-RING, SERVICED ENGINE AS REQUIRED, PERFORMING ENGINE RUNUP, NO LEAKS OBSERVED. OIL PRESSURE AND TEMPERATURE NORMAL IAW MM 71-00-00. (M)