Air India is facing fresh turbulence following last week’s fatal crash as additional safety inspections on its Dreamliner fleet have led to flight delays, cancellations and growing passenger

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.

India's aviation safety watchdog said on Tuesday surveillance conducted on Air India's Boeing 787 fleet did not reveal any major safety concerns, days after one of its jets crashed, killing at least 271 people.