INDIANAPOLIS (CBS/AP) — The Federal Aviation Administration says a United Airlines flight was diverted to Indianapolis because of a pressurization problem.

FAA spokesman Lynn Lunsford says the flight aboard an Embraer E145 headed from Charlotte, North Carolina, to Chicago’s O’Hare International Airport was diverted to Indianapolis International Airport on Sunday morning.

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“The crew followed procedure to safely bring the aircraft to a lower altitude and land in Indianapolis because of a pressurization issue,” said a spokesman for ExpressJet, which operated the flight for United. “Two customers requested to be checked by medical personnel and were cleared to continue their travels.”

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Lunsford says the FAA will follow up with the airport to determine the cause of the pressurization problem.

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