Investigators have recovered the cockpit voice recorder (CVR) from the crashed Air India flight, a key step in uncovering what caused last week's deadly accident.

Investigators suspect Air India Flight 171's emergency power system activated before its fatal Ahmedabad crash, raising engine failure concerns. DGCA found no major safety lapses in Air India’s Boeing 787 fleet but flagged maintenance issues.

Air India Boeing 787 flight to London was canceled just days after the crash on June 12 that took the lives of over 290 people. Air India said the cancellation was due to "unavailability of the aircraft.