As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
ETOPS - APU SHUTDOWN AFTER RUNNING 10 MINS, SHUT DOWN REPORT SHOWS "HIGH OIL TEMP" WITH FAULT OIL COOLER (5100KT8)COOL FAN ASSY. REMOVED AND INSTALLED OIL COOLER IAW AMM 49-91-44-000-801A AND AMM 49-91-44-400-801-A OPS CHECK SATIS NO FURTHER DEFECTS FOUND.