The Federal Aviation Administration (FAA) is investigating after a possible security incident on Wednesday prompted 91 passengers to evacuate from a Frontier Airlines plane.

Frontier Airlines Flight 4708 from Hartsfield/Jackson Atlanta International Airport to Washington Dulles International Airport landed safely in Virginia at about 2:35 p.m. local time after the crew reported a possible security incident, according to the FAA.

Travelers at Dulles International Airport in Dulles, VA on October 16, 2024. (Craig Hudson for The Washington Post via Getty Images)

Airports Authority police, fire and operations personnel responded to the runway, according to a statement from Dulles Airport.

Police inspected and cleared the aircraft at 4:45 p.m.

A Frontier Airlines plane prepares to land. (Tayfun CoSkun/Anadolu Agency via Getty Images))

Passengers deplaned on the taxiway via mobile lounge, according to the FAA and Dulles Airport.

The passengers and their baggage were transported to the main terminal.