What was found
APU TREND DATA SHOWS CT5ATP TEMP IS APPROACHING THRESHOLD. (#PRI2/ETOPS)ETOPS SIGNIFICANT SYSTEM TASK AFFECTS APU ON DEMAND IN-FLIGHT START CAPABILITY. UPON COMPLETION, CONTACT MAINTENANCE CONTROL AND REPORT THAT THIS TASK HAS AFFECTED APU IN-FLIGHT START CAPABILITY, MEL 49- 99A IS REQUIRED PRIOR TO FLIGHT. GROUNDED - YES. T/S APU EGT THERMA COUPLES 1&2 IAW ASA 737 FIM 49-40 TASK 825 AND 49-70 TASK 801 FOUND #1 EGT THERMA COUPLE TEST BAD #2 TEST GOOD. REMOVED AND REPLACED #1 APU EGT THERMA COUPLE IAW ASA 737 AMM 49-71-21-000/400-801 REINSTALLED #2 EGT THERMA COUPLE IAW ASA 737 AMM 49-71-21-000/400-801 PERFORMED OPS CHECK OF #1 & #2 EGT THERMACOUPLES, OPS CHECK GOOD AT THIS TIME. REMOVED AND REPLACED ALL FUEL NOZZLES IAW ASA AMM 49-31-14-000/ 400-801 TO SATISFY TSR 714891 PERFORMED LEAK CHECK. NO LEAKS FOUND ALL FUEL NOZZLE WORK ACCOMPLISHED ON WC# 8349001. PERFOMED BITE TEST IAW ASA 737 AMM 49-61-00-700-801 BITE TEST PASSED NO CURRENT FAULTS AT THIS TIME. TSR714891 EXTENDED 19 DAYS PER ASA TECH. SERVICER PHILL.