Source: Simon Hradecky | www.avherald.com

A Delta Airlines Airbus A321-200, registration N356DN performing flight DL-401 from Dallas Ft. Worth,TX to Atlanta,GA (USA), was climbing through about FL240 out of Dallas when the crew donned their oxygen masks and decided to return to Dallas declaring emergency and reported smoke on board. The aircraft landed safely back on Dallas’ runway 17R about 35 minutes after departure.

A passenger reported that a few minutes after departure emergency lights illuminated in the cabin, the captain indicated they were returning to Dallas due to an electrical problem, later adding there were fumes in the cockpit. Fire engines checked the aircraft after landing and followed to the gate, two firefighter came on board and talked to the captain while passengers disembarked.

The aircraft remained on the ground for about 7:45 hours, then departed again and reached Atlanta with a delay of about 8 hours.