Passengers on an Air India flight bound for Delhi had to return to Chicago after the pilot was forced to make an emergency U-turn reportedly due to clogged toilets, according to news agency ANI. ANI cited a spokesperson saying that alternative arrangements were made for the passengers who were stuck on the flight for 10 hours.

Air India said a flight from Chicago to Delhi was disrupted when eight of the 12 lavatories on the plane, a Boeing 777, were rendered “unserviceable.”

The Air India plane had nearly 300 passengers on board and was supposed to fly for 14 hours. But just under two hours into the journey, crew members noticed that many of the toilets were not working,