The first two aircraft to undergo the ‘Increment 3’ modification will be upgraded in Jacksonville, Florida, with the remainder of the fleet of 12 to be completed at RAAF Base Edinburgh, South Australia.
The descent was controlled by an auto-flight system that had to be disconnected when the aircraft dipped to 480 ft below the minimum safe level and wouldn’t respond to crew instruction.
The QF9 service – one of the world’s longest – will now stop over in Singapore because the 787’s range isn’t long enough to divert around the Middle East.