The commander of an A-319 (registration N895UA) operated by United Airlines had to make an emergency landing due to the illumination of a warning light indicating an open door. It happened in the United States. Fear among the passengers on board the aircraft, also due to the recent incident of a B-737 MAX 9 (registration N704AL) of the Alaska Airlines (AS1282), on which a door exploded in flight. 

According to a first reconstruction of the incident, the A-319 aircraft took off at 3.45 pm from Sarasota-Bradenton airport, in Florida, and was headed to Chicago-O'Hare airport, in Illinois, where it was expected at 5.52 pm. At a certain point, shortly after take-off, a warning light on board came on indicating the presence of an open door. At that point the pilot made an emergency landing at Tampa Airport, Florida.

It happened on Wednesday 10 January, but the story only gained prominence in the American media today. There were 123 passengers and five crewmembers on board flight UA2434. A spokesperson for United Airlines told the "New York Post" newspaper that the emergency landing was performed "as a precaution to manage a possible mechanical problem". 

On the topic, see also the article published by AVIONEWS.