After a Delta flight made an emergency landing in Atlanta​ in February, a maintenance crew found there was barely any or possibly no oil in the aircraft's right engine, an NTSB report said.

The National Transportation Safety Board released the preliminary report for a Delta Air Lines flight from Atlanta to Charleston that had to be evacuated after smoke filled the cabin.

A Delta flight taking off the Atlanta Hartsfield/Jackson International Airport in Georgia reported smoke filling the cabin and cockpit in February, according to a preliminary report from The National Transportation Safety Board.