What was found
CLIMBING THRU 13,000' GOT LVL 3" BLD AIR 1 TEMP HI", COMPLIED WITH QRH. PERFORMED RTS ON ALL 3 AIU'S, ALL TESTS PASSED. PERFORMED RTS ON PNEUMATIC SYS CONTROLLER NR 1. INSPECTED NR 1 ENGINE BLEED CONTROL VALVE SENSE LINES AND CONNECTORS, NO DEFECTS NOTED. INSPECTED NR 1 ENGINE FAN AIR CONTROL VALVE CONNECTOR AND SENSE LINES, NO DEFECTS NOTED. NO DEFECTS NOTED ON NR 1 ENGINE. REPLACED NR 1 PNEUMATIC SYS TEMP CONTROL SENSOR. SWAPPED NR 1 PNEUMATIC TEMP INDICATION SENSOR WITH NR 2 PNEUMATIC TEMP IND SENSOR. PERFORMED GROUND POWER RUN UP WITH CREW AND RE-CREATE POWER SETTING (N1 100 PERCENT) CONDITIONS WHEN FAULT OCCURED. ALL INDICATIONS NORMAL. (FINAL CLOSED)