What was found
APU WILL NOT START. FOUND INLET DOOR CB POPPED. SEE HISTORY. UNABLE TO DF DOOR OPEN USING MEL 4915C. REPLACED INLET DOOR ACTUATOR AND OPS CHECK GOOD.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU WILL NOT START. FOUND INLET DOOR CB POPPED. SEE HISTORY. UNABLE TO DF DOOR OPEN USING MEL 4915C. REPLACED INLET DOOR ACTUATOR AND OPS CHECK GOOD.