The Southwest Airlines flight 424, from Baltimore/Washington International Thurgood Marshall Airport to Chicago Midway International Airport, had to divert and land in emergency at Port Columbus International Airport, Ohio, at 2 a.m. Central Time on July 23.
The pilot decided to make an emergency landing after there was an indication of smoke in the forward cargo hold.
The plane landed safely and slides were used to evacuate the 49 passengers on board. No one was hurt.
The National Transportation Safety Board is investigating. Southwest Airlines has declared the plane out of service for inspection.
An alternate was flight arranged for taking the passengers to their destination.
Azul Brazilian Airlines flight AD-9277 made an emergency landing in Vitoria da Conquista, Brazil, on January 15th.
Air New Zealand flight NZ-5255 made an emergency landing at Palmerston North Airport, New Zealand, on November 29th.
British Airways flight BA-360 had to return and make an emergency landing at Heathrow Airport, England, on May 17th.
Envoy Air flight MQ-3721 made an emergency landing in Grand Rapids, Michigan, on November 28th.