The aircraft touched down on Runway 19R around 2:30 p.m. and was quickly surrounded by Airports Authority police, fire crews, and operations personnel, according to airport officials.
“Out of an abundance of caution, passengers were offloaded by mobile lounge,” Dulles Airport said in an update shortly after 4 p.m. on Wednesday.
Officials did not immediately confirm what triggered the response, but noted that all other flights and runways remained operational. There were no reported injuries…