As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAULT LIGHT ILLUMINATED. APU AUTO SHUTDOWN, TURNED APU SWITCH OFF ACCORDING TO QRH. FAULT LIGHT EXTINGUISHED AFTER 3 MIN. FOUND FAULT MSG 49-15003, PERFORMED IFIM TASK 49-10-00-810-803. APU FAULT LIGHT EXTINGUISHED & FAULT NOT ACTIVE MSG CLEARED.