Liner Air India, followed by Chicago in Delhi, spent 10 hours in the air and returned to the airport to depart. The airline mentions the Viking's technical issues, but the source said that the aircraft had to return due to the clogged toilet. This is notified by the Indian PTI.

The flight was operated on March 6 by Boeing 777-337 ER. Liner spent more than ten hours in the air, but then returned to Chicago airport.
The source says the cause is the problem with the toilet. On Air India aircraft, designed for 340 passengers, there are 10 bathrooms. However, in this case, there is only one activity.
Air India's representative, commenting on the incident, said that the plane returned to Chicago due to the technical issue of Muslims.
Planting in Chicago occurs as usual, passengers are provided with facilities to minimize inconvenience. The alternative measures have been taken to bring passengers to the destination, the representative said.
He added that passengers were provided with a free refund and transfer.
Last fall, a similar incident occurred on American Airlines, followed Dallas to Seoul. The lining has spent nine hours in the sky, but not to the destination. The crew published issues with the toilet, and the pilot asked passengers to repair.