The preliminary finding gives investigators a new line of inquiry as they study a crash that killed all but one of the plane’s passengers.

Air India is facing disruptions following last week’s fatal crash as additional safety inspections on its Dreamliner fleet have led to flight delays, cancellations and growing passenger anxiety. India’s aviation safety regulator ordered deeper checks on Boeing 787 aircrafts operated by the airline soon after its London-bound

Following a fatal Boeing 787 crash, Air India will cut 15 per cent of its international wide-body operations and conduct safety checks through mid-July to stabilise services