As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 1 ENGINE LOW OIL PRESSURE LIGHT ILLUMINATED - GAUGE SHOWED LOW OIL QUANTITY. ENGINE NR 1 SHUT DOWN IAW POM AND EMERG PROCEDURES ON FINAL APPROACH. N3 WENT TO ZERO. FOUND EVIDENCE OF LEAKING AT MASTER CHIP DETECTOR HOUSING. REPLACED FINE SCAVANGE FILTER. REMOVED DETECTOR AND HOUSING. REPLACED DETECTOR ASSY. SERVICED ENGINE OIL. RAN ENG AT T.O. PER PFHB. NO LEAKS FOUND.