A plane had to make an emergency landing at Nashville International Airport on Wednesday morning.
FedEx Flight No. 1412 landed just before 5 a.m. after reports that smoke filled the cockpit.
Only the pilot and co-pilot were on board. They walked off the MD-10 aircraft uninjured.
FedEx spokesperson Katie Wassmer said the plane was traveling from Memphis to Manchester, New Hampshire.
The incident is under investigation.