The Air India flight fell from the sky on Thursday and killed at least 270 people in Gujarat state, officials said Saturday.

An early focus of the probe includes a possible loss or reduction of thrust.

A Boeing 787 Dreamliner plane, operated by Air India, crashed in Ahmedabad earlier this week, killing almost everyone on board and many more on the ground. India's aviation watchdog has since ordered the carrier to complete safety checks on its entire Dreamliner fleet.