A Delta Air Lines flight to Columbia, South Carolina, was forced to return to Hartsfield-Jackson Atlanta International Airport on Monday morning after a “haze” was observed inside the plane, according to officials.

Delta Flight 014 from Atlanta to Frankfurt turned back shortly after takeoff Friday night because of a mechanical issue with one of the plane’s engines, the airline said in a statement. “The aircraft landed safely and was met by firetrucks, which sprayed down the aircraft’s brakes due to the heavier than normal landing weight,” Delta said.

Delta Flight 014 from Atlanta to Frankfurt turned back shortly after takeoff Friday night because of a mechanical issue with one of the plane’s engines, the airline said.

This marks the second smoke-related issue to impact a Delta flight within a week, just two days after an Australia-bound flight returned to Los Angeles due to smoke on the plane.

A Delta Air Lines flight was forced to return to Hartsfield-Jackson Atlanta International Airport on Monday after a "haze" filled the cabin, the airline said.

Federal officials say a Delta Air Lines flight returned to the Atlanta airport soon after taking off because crew members reported possible smoke in the cockpit.

A flight to Atlanta had to return to Charlotte after experiencing a mechanical issue just after takeoff Wednesday morning.

A Delta flight bound for Atlanta returned to Charlotte shortly after takeoff Wednesday due to a mechanical issue; all passengers and crew were safe.