The plane was 90 minutes into its flight from Hong Kong, when the pilots contacted air traffic controllers with an urgent request.

The exact cause behind the “extremely rare” dual engine power loss remains unknown, but on Sunday, India’s civil aviation authority (DGCA) launched urgent pre-flight inspections of fuel systems, electronic engine controls, and other components on Boeing 787 aircraft operated in the country.

Just four days after a deadly crash in India, another Air India Dreamliner was forced to return midair due to a technical issue.