KLM flight KL-723 returned and made a safe emergency landing at Amsterdam Airport Schiphol, Amsterdam, Netherlands, on June 6th.
The Airbus A330-300, en-route to Havana, Cuba, was mid-air when the crew reported an abnormal decrease in its oil quantity.
The plane diverted to Ireland but then continued for Amsterdam, and landed successfully.
All people onboard remained unharmed.
The passengers were accommodated in a replacement plane.