What was found
AT CRUISE FROM YYZ - ATL NR 02 ENGINE OIL PRESS DROPPED TO 28 PSI ALL OTHER INDICATIONS NORM. NR 02 OIL QTY ON MCO NO LOW OIL PRESS LIGHT. AFTER CONSULTING WITH ATL DIVERT TO CVG AND NR 02 ENGINE SHUTDOWN. ENGINE SHUTDOWN REPORT COMPLETED. CHECKED OIL QTY AND OIL CAP FOUND FULL AND CAP IN PLACE. REPLACED ENGINE OIL FILTER INSP OIL FILTER AND CHIP DETECTORS ALL CLEAN. OIL PRESS LIGHT NEVER CAME ON UNTIL AFTER LANDING. CLEAN O/P ORFICE AND REPLACED O/P XMTR. RAN ENGINE TO TAKEOFF PWR AND O/P STAYED 48 PSI. ENGINE OK FOR SERVICE.