As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU SHUT DOWN DUE TO HIGH OIL TEMPERATURE. REMOVED AND REPLACED APU OIL TEMP BULB IAW 49-94-11. NO HELP. REMOVED AND REPLACED OIL COOLER IAW 49-91-41. NO HELP. REMOVED AND REPLACED APU TEMP CONTROL VALVE IAW 49-91-21. OPS CHECKED GOOD ON RUN UP. FULLY LOADED APU FOR 30 MINUTES. NO DEFECTS NOTED. PLACARD REMOVED AND AIRCRAFT RETURNED TO SERVICE. (M)