What was found
APU FAILED CSS START AT FL 360 -60C OAT MO 79 IAS 260 APU FAULT LIGHT CAME ON APU EGT REACHED 1040C. CSS RULED INCOMPLETE, NO SUBSEQUENT STARTS WERE ATTEMPTED. CDU LOGGED FAULT 49-31016, OVERTEMPERATURE SHUTDOWN. STARTED APU SEVERAL TIMES, COULD NOT DUPLICATE FAULT. ACCOMPLISHED FIM 49-30 TASK 803 STEPS A-F(3), (5) & (6). REPLACED INLET TEMP SENSOR AND INLET PRESSURE SENSOR REF MM 49-61-31-400-801 AND 49-52-31-400-801. APU BITE PROCEDURE GOOD REF 49-61-00-700-801.