What was found
STL - DURING DESCENT, SHUT DOWN NR 2 ENGINE, S/N 1213, DUE TO VIBRATION AND OIL FILTER BYPASS LIGHT ILLUMINATION. FOUND METAL PARTICLES ON OIL SYSTEM CHIP DETECTORS. REPLACED ENGINE, ENGINE OPERATION THEN CHECKED NORMAL. ENGINE TOTAL TIME 22,333, ENGINE TOTAL CYCLES 11,261.