What was found
STL - FLT 712 - DURING CRUISE, SHUT DOWN NR 1 ENGINE, SN 3215, DUE TO OIL FILTER DIFFERENTIAL PRESSURE LIGHT ILLUMINATION. FOUND OIL LINE, MFG PN 7938314, TO DIFFERENTIAL PRESSURE SWITCH RUPTURED. REPLACED OIL LINE. ENGINE OPERATION, LEAK CHECK AND INDICATION WAS NORMAL. ENGINE TOTAL TIME: 33,308 HOURS; 17,329 CYCLES, CHECK C-1D - 4-1-95 - MCI.