What was found
NR 1 ENG SHUTDOWN IN FLIGHT FOR HIGH OIL PRESSURE (60 PSI) IAW QRH. WINDMILLED FOR 15 MINUTES IN GREEN BAND AND BELOW. REMOVED AND REPLACED OIL PRESSURE TRANSMITTER PER BOEING MM 79-33-001-4 RAN ENGINE FOR LEAK CHECK AND PRESSURE CHECKS. CHECK OIL PRESSURE WITH DIRECT READING PRESSURE GAUGE SET OIL PRESSURE REG TO 47 PSI. NEW TRANSMITTER PRESSURE READ 47PSI. ACCOMPLISHED MAX POWER ASSURANCE CHK AND ALL ENG IND CHK WITHIN LIMITS, NO VIB FELT, MAX OIL PRESSURE WAS 52-53 PSI ALL WITHIN LIMITS PER JRH CHP4 AND 7.