What was found
ON PUSH BACK, APU SHUTDOWN WITH FAULT LIGHT ILLUMINATED. ACFT GROUNDED. PERFORMED TROUBLESHOOTING IAW AMM 49-60-00-810-801. FAULT 49-91005 HIGH OIL TEMP SHUTDOWN. PERFORMED VISUAL INSPECTION OF OIL COOLER AND EDUCTOR, NO DAMAGES FOUND IAW AMM 49-90-00-810-801. PERFORMED VISUAL INSPECTION OF MAGNETIC CHIP DETECTOR IAW AMM 49-91-81-200-801. NO PARTICLES FOUND. PERFORMED TEMP CONTROL VALVE TEST IAW AMM 49-91-21-400-801. OPS NORMAL. NEXT START. APU COMPRESSOR STALLED AND QUIT W/LOW OIL PRESSURE WARNING. REPLACED APU IAW T/C 78349010 AND MM 49-11-00. OPS AND LEAK CHECKED NORMAL.