What was found
AFTER ENGINE START (BOTH ENGINES STARTED) WITH ECS SELECTOR STILL IN (RAM), APU FIRE WARNING MESSAGE ILLUMINATED. T/S FOUND BLOWN FUSE 405. REPLACED FUSE WITH NEW PART. OPS CHECK GOOD. IAW MM 26-10-25.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
AFTER ENGINE START (BOTH ENGINES STARTED) WITH ECS SELECTOR STILL IN (RAM), APU FIRE WARNING MESSAGE ILLUMINATED. T/S FOUND BLOWN FUSE 405. REPLACED FUSE WITH NEW PART. OPS CHECK GOOD. IAW MM 26-10-25.