What was found
FJK - TWENTY MIN PRIOR TO TOP OF DESCENT, NR 3 ENGINE OIL PRESSURE DROPPED TO 35 PSI FLUCTUATING. OIL PRESSURE LIGHT FLASHED ON AND OFF. PRECAUTIONARY ENGINE SHUTDOWN WAS ACCOMPLISHED WHEN PRESSURE DROPPED TO 34 PSI. WINDMILLING TIME WAS 40 MINS. WINDMILLING PRESSURE WAS 25 PSI. FOUND INLET OIL LINE TO THE FUEL COOLED OIL COOLER LEAKING. SAME REPLACED. PERFORMED ENGINE WINDMILLING INSPECTION AND FOUND OK. REPLACED MAIN OIL FILTER AND CHECKED CHIP DETECTOR, FOUND OK. (M)