What was found
CREW REPORTED APU DOOR STATUS MESSAGE IN FLIGHT WITH NOTICEABLE VIBRATION & BUFFETING. APU WOULD NOT START. REMOVED APU INLET DOOR ACTUATOR IAW AMM 49-15-06. INSTALLED APU INLET DOOR ACTUATOR IAW AMM 49-15-06 UP TO STEP G(1)(J).
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
CREW REPORTED APU DOOR STATUS MESSAGE IN FLIGHT WITH NOTICEABLE VIBRATION & BUFFETING. APU WOULD NOT START. REMOVED APU INLET DOOR ACTUATOR IAW AMM 49-15-06. INSTALLED APU INLET DOOR ACTUATOR IAW AMM 49-15-06 UP TO STEP G(1)(J).