A flight to nowhere U-turned over the Atlantic when the airline realized it needed maintenance

The Airbus A330-300 was sent back to Amsterdam midway through a nine-hour journey.

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• A KLM flight U-turned over the Atlantic when the airline realized it needed maintenance.
• The Airbus A330-300 was flying from Amsterdam to Toronto when the incident occurred.
• The plane would have reached a "maintenance deadline" during the trip, KLM told Business Insider.

A KLM Royal Dutch Airlines flight from Amsterdam to Toronto took a flight to...