As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
NR 4 ENGINE SHUT DOWN IN FLIGHT DUE TO LOW OIL PRESSURE LIGHT ILLUMINATION AND INDICATION. INSPECTION OF THE ENGINE UPON ARRIVAL, REVEALED FULL FLOW CHIP DETECTOR HAD LOOSENED AND FALLEN OUT OF ITS HOUSING. INVESTIGATION HAS SHOWN MAINTENANCE HAD REPLACED THE MAIN OIL FILTER AND CHECKED THE FULL FLOW DETECTOR. IMPROPER INSTALLATION OF THE DETECTOR IS UNDER REVIEW. (M)