What was found
IN CRUISE AT FL 230, EICAS DISPLAY ENG 1 LOW OIL PRESSURE, PERFORMED QHR PROCEDURE ON PG 6.7. OIL QTY, TEMP, N1 AND N2 ALL NORMAL - INSPECTED OIL CAP FOR SECURITY. CK'S GOOD. INSPECTED NR1 ENG COWLING, INLET & EXHAUST FOR EVIDENCE OF OIL LEAKAGE, NONE NOTED. INSPECTED INTERIOR ENG COMPONENTS FOR EVIDENCE OF LEAKAGE, NONE NOTED. CMC INDICATES ACTIVE FAULT 73217705CMC, ENG LOW OIL PRESS EICAS EXCEEDANCE DISPLAYED. TROUBLESHOT TO OIL PRESSURE TRANSMITTER. R & R SAME.