As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
APU FAULT LIGHT ON START FAULT 49-15004 APU INLET DOOR SHUTDOWN. ACFT GROUNDED. C/W FIM 49-10, TASK 806 REMOVED/INSTALLED AIR INLET DOOR SWITCH IAW AMM 49-15-41/401. NO HELP. REMOVED/INSTALLED AIR INLET DOOR ACTUATOR IAW AMM 49-15-31/401. INLET DOOR ACTUATOR BAD FROM STOCK. VERIFIED DOOR SWITCH IS GOOD. R & R APU INLET DOOR ACTUATOR REF AMM 49-15-31, OPS CKS GOOD. NO FAULTS FOUND. ETOPS SIGNIFICANT SYS GROUND VERIFICATION SUCCESSFUL.