The investigation report says Air India did not carry out those inspections - prompting speculation that the accident could have been caused by faulty switches being flipped by accident. However, in an internal note seen by the BBC, the FAA has since reiterated its belief that the issue did not compromise safety.

The CEO of Air India sought to draw a line under rife speculation around the cause of last month's air disaster in Ahmedebad, saying the preliminary investigation had ruled out a mechanical cause for the crash.

The flight, a Boeing 787 Dreamliner, crashed just seconds after take-off from Ahmedabad in June, killing all but one of the 242 people on board.

Earlier, India's aviation minister said not to jump to conclusions and another pilots' group criticised the report.

A series of critical events unfolded in the 32 seconds after the aircraft became airborne, lost thrust and started going down — from the fuel control switches transitioning to the ‘cutoff’ position to the activation of emergency power supply units and the attempted relighting of the engines.

Air India crash pilot's medical records examined amid 'mental health issues' as probe into tragedy continues - Captain Sumeet Sabharwal, who was among the 260 victims of Ahmedabad disaster, reportedly

A preliminary investigation into the tragic Air India Flight 171 crash has identified a critical in-flight error: the sudden cutoff of fuel to both engines just seconds after takeoff. The crash, which killed 260 people