What was found
APU FIRE WARNING ACTIVATED ON FINAL APPROACH. SECURED APU AS PER QRH. FIRE BOTTLE DISCHARGED. REMOVED AND REPLACED TAIL AND DOUGHNUT LOOP.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
APU FIRE WARNING ACTIVATED ON FINAL APPROACH. SECURED APU AS PER QRH. FIRE BOTTLE DISCHARGED. REMOVED AND REPLACED TAIL AND DOUGHNUT LOOP.