What was found
ON APPROACH TO LEX. APU OVER TEMP FOLLOWED BY APU FIRE WARNING MSG, APU AUTO SHUTDOWN DECLARED AN EMERGENCY... FLT 4161 DEL 36 MINS
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
ON APPROACH TO LEX. APU OVER TEMP FOLLOWED BY APU FIRE WARNING MSG, APU AUTO SHUTDOWN DECLARED AN EMERGENCY... FLT 4161 DEL 36 MINS