A total of 270 people died last Thursday when the Boeing Dreamliner plane plummeted to the ground in Ahmedabad, India

There has been a major update in the probe into the Air India crash, as authorities have identified a potential cause of the plane going down.

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.