Investigators say the sewerage airplane crash last month Haddon imbalance in engine thrust that led the plane into a sharp role and then a final dive into the sea.

Findings a part of a preliminary report into the disaster that killed 62 passengers and crew.

When the 26 year old Boeing Co's 737 500 plane reached 8150 ft after takeoff, the left engine throttle lever moved back while the right lever stayed in its original position.

Atop the moment we know the left auto throttle moved back, but we don't know whether it's broken because two of the levers showed an abnormality.

The left moved far back on the right.

Did not.

Aziz, though, was stuck, so we don't know whether it's the left or the right.

This is broken Sudan Gagnon Cannon thing is what we cannot confirm until today is three auto throttle broken in L.

A.

And get a balloon busy.

Um, Angeles cancer Bettarini Qatada Cruise Total There had been two prior problems reported with the auto throttle system that automatically controls engine power based on maintenance logs, but the issue was rectified on January 5th.

Four days before the crash, India's National Transport Safety Committee said working auto throttle is not required for a plane to be dispatched as pilots can control the thrust levers manually with their hands.

The Shura JIA accident was Indonesia's third major airline crash in just over six years.

Divers are still searching for the plane's cockpit voice recorder, which could help investigators understand the actions taken by the experienced pilots.

The preliminary report did not list the contributing factors to the crash that will require further investigation.