A flight made an emergency landing Monday after its pilots lost a radio link with flight staff, prompting them to bang on the locked cockpit door and raising fears that someone was trying to break in.

Flight 6469 set off from Omaha, Nebraska, to Los Angeles at 7:23 p.m. ET but turned around and landed back at Eppley Airfield just 36 minutes later, according to FlightRadar.

The American Airlines flight was operated by regional carrier SkyWest.

SkyWest said in a statement that the flight “returned to Omaha out of abundance of caution after experiencing communication issues with a flight crew mic. The flight later continued to Los Angeles. We apologize for the inconvenience.”

American did not immediately respond to overnight requests for comment.

The Federal Aviation Administration said

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