As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU DOOR STATUS MESSAGE, APU FAULTED. FOUND APU INLET ACTUATOR CIRCUIT BREAKER IN AFT BAY OPEN, RESET, OPENED APU DOOR FULLY. APU OIL LEVEL GOOD, 1 QT ADDED. CIRCUIT BREAKER TRIPPED TWICE ON SHUTDOWN WHEN DOOR CLOSING. SUSPECT ACTUATOR, REPLACED APU DOOR ACTUATOR.