"After landing, it was determined there was a problem with the inter-phone system and the flight crew was knocking on the cockpit door," the FAA said.

Australian Prime Minister Anthony Albanese's plane makes emergency landing in St. Louis after crew member injured by falling luggage, suffers concussion.

United Airlines flight 1039 from Denver to Los Angeles was forced to divert to Salt Lake City after the windshield was cracked by a mystery object on Thursday, Oct. 16. The National Transportation Safety Board is investigating the incident,