Investigators in India are studying the black boxes of a Boeing 787 Dreamliner after recovering them from the aircraft wreckage to ascertain the cause of last week’s plane crash that left at least 270 people dead.

Air India has cancelled 83 flights since the Ahmedabad crash of AI171, with 66 involving Boeing 787 Dreamliners. The DGCA has mandated intensified safety checks on the fleet. While 24 aircraft have cleared inspections,

An Air India flight from Ahmedabad to London has been canceled days after the fatal crash that killed 241 people on board. The canceled plane for was a Boeing 787-8 Dreamliner—the same type of aircraft as the one that crashed last week,