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.

Investors and the wider public are looking for answers after Thursday’s crash of an Air India 787 jet. Both of the plane’s black boxes have been recovered.

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,