As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU INOP, MGS DISPLAY APU DOOR, MAINT. MSG 49-14120. STARTED REMOVING APU INLET DOOR ACTUATOR AND FOUND ACTUATOR SEIZED, UNABLE TO EXTEND ACTUATOR MANUALLY TO ACCESS ROD END BOLT. NEED TO TORQUE BASE ASSY FASTENERS. REPLACED APU INLET DOOR ACTUATOR.