Washington, December 24: The Federal Aviation Administration has ordered all American Airlines flights grounded in the US after the carrier reported a technical issue affecting its entire system with millions travelling for the holiday. In social media replies to frustrated travellers, the airline said: “Our team is currently working to rectify this. Your continued patience is appreciated.” American Airlines Bird Strike Video: New York-North Carolina Flight AAL1722 Flyer Records Frightening Moment When Bird Strikes Jet Engine.

The company has not issued a press release explaining the issue and an email was not immediately returned. A post on the Federal Aviation Administration's website acknowledged the airline's request for a “nationwide groundstop” for all American Airlines planes and their subsidiary airlines. Spirit Airlines ‘Bankruptcy’: Low-Cost American Airline Preparing to File for Bankruptcy, Says Report.

The groundings couldn't come at a worse time for the millions of travellers expected to fly over the next 10 days. The Transportation Security Administration expects to screen 40 million passengers over the holidays and through January 2.

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