What was found
AT 24,000 FEET, NR 2 ENGINE ITT INCREASED FROM 705 TO 770, BLEED HOT CAUTION LIGHT ILLUMINATED. CREW SELECTED BLEED OFF, ITT DECREASED AND HOT CAUTION LIGHT EXTINGUISHED. SELECTED BLEED ON AND DISCREPANCY REPEATED. FLIGHT DIVERTED TO SBY FOR MAINTENANCE. SBY MAINTENANCE REMOVED AND REPLACED THE NR 2 HP BLEED SHUTOFF VALVE IAW AMM 21-11-16. AS A PRECAUTION, MAINTENANCE ALSO REPLACED THE NR 1 AND NR 2 ENGINE MP BLEED PRESSURE SWITCHES AND THE NR 2 BLEED HOT CAUTION LIGHT TEMPERATURE SWITCH, DONE IAW AMM 21-10-00. OPS CHECK GOOD.