Investigators believe the Air India Boeing Dreamliner had its emergency-power generator operating when it crashed last week in India's Ahmedabad, the Wall Street Journal reported on Wednesday citing people familiar with the probe.

Air India has cancelled eight international Boeing 787-8 Dreamliner flights after the horrific aviation disaster last week. The passenger jets were hit by a mix of issues from aircraft unavailability, technical snags, airspace restrictions, and extended safety checks.