What was found
BNA FLT 4046, THE CREW REPORTED APU AUTOSHUT DOWN CAUSING SMOKE IN AIRCRAFT. MAINTENANCE REPLACED APU. OPERATIONAL CHECKS WERE GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
BNA FLT 4046, THE CREW REPORTED APU AUTOSHUT DOWN CAUSING SMOKE IN AIRCRAFT. MAINTENANCE REPLACED APU. OPERATIONAL CHECKS WERE GOOD AND AIRCRAFT WAS RETURNED TO SERVICE.