What was found
PIT - FLT 1158 EN ROUTE FROM LGA TO PIT, APPROXIMATELY 75 MILES SOUTHEAST OF PIT, CREW NOTICED THE NR 2 ENGINE OIL TEMPERATURE WAS OUT OF LIMITS. CREW FOLLOWED QUICK REFERENCE HANDBOOK PROCEDURES AND SHUT DOWN THE NR 2 ENGINE. FLIGHT LANDED AND TAXIED TO THE GATE WITHOUT FURTHER INCIDENT. TOTAL SINGLE ENGINE TIME WAS 25 MINUTES. MAINTENANCE REMOVED AND REPLACED THE NR 2 ENGINE OIL TEMPERATURE BULB. OPERATIONAL CHECK GOOD. ACCOMPLISHED ENGINE POWER RUN. OIL TEMPERATURE INDICATION CHECKED NORMAL PER MM 71-00-44.