What was found
IAH - FLIGHT 2376 THE CREW REPORTED THAT THE NUMBER ONE ENGINE SHOWED LOW OIL PRESSURE, AND HIGH OIL TEMPERATURE WITH A SMELL OF SMOKE DURING CRUISE. THE CREW SHUT DOWN THE NUMBER ONE ENGINE AS A PRECAUTION, AND LANDED AT IAH WITHOUT INCIDENT. MAINTENANCE REMOVED AND REPLACED THE AFFECTED ENGINE, OPERATIONALLY CHECKED GOOD, AND THE AIRCRAFT WAS APPROVED FOR RETURN TO SERVICE.