What was found
(AUS) APU BLEED AIR DUCT CRACKED CAUSING BLEED AIR TO ACTIVATE APU FIRE WARNING SYSTEM.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
(AUS) APU BLEED AIR DUCT CRACKED CAUSING BLEED AIR TO ACTIVATE APU FIRE WARNING SYSTEM.