What was found
FLIGHT #5639 - APU FIRE WARNING DURING LANDING.COULD NOT DUPLICATE. FOUND NO EVIDENCE OF FIRE OR OVERHEAT. REPLACED THE FIRE WARNING CONTROLLER FOR TROUBLESHOOTING.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
FLIGHT #5639 - APU FIRE WARNING DURING LANDING.COULD NOT DUPLICATE. FOUND NO EVIDENCE OF FIRE OR OVERHEAT. REPLACED THE FIRE WARNING CONTROLLER FOR TROUBLESHOOTING.