A Delta Air Lines flight bound for Atlanta has returned to Buffalo, New York, after the crew received an indication of a possible issue with one of its two engines.
The airline says Flight 1672 landed safely at Buffalo Niagara International Airport on Thursday morning and maintenance technicians are evaluating the aircraft.
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The flight had 174 passengers and five crew members on board.
It comes a day after a SkyWest flight from Chicago to Connecticut made an emergency landing in Buffalo after three passengers on board lost consciousness. One passenger described a lack of air in the cabin and shortness of breath, but the airline said an inspection on the ground found no mechanical faults.