What was found
MSP - FLT 67 - THE NR 2 ENGINE OIL PRESSURE DROPPED BELOW THE RED LINE, OIL QUANTITY DROPPED TO 3 QUARTS, PRECAUTIONARY SHUTDOWN OF NR 2 ACCORDING TO PROCEDURES, ALSO HAD LOW ENGINE OIL PRESSURE LIGHT. FOUND OIL PRESSURE LINE AND C SUMP SCAVENGE RETURN LINE CHAFING AGAINST EACH OTHER. REPLACED BOTH LINES, SERVICED NR 2 ENGINE OIL, AND RAN NR 2 ENGINE, NO LEAKS NOTED. (W)