By Reuters and Emily Crane For Dailymail.com
Published: 23:18 BST, 3 April 2019 | Updated: 23:18 BST, 3 April 2019
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The doomed Ethiopian Airlines Boeing 737 Max that crashed and killed 157 people last month reportedly had its angle-of-attack sensor damaged on takeoff from a foreign object or bird.
The damaged sensor went on to trigger inaccurate data and resulted in the pilots turning the anti-stall software - known as MCAS - off, but it re-engaged and pushed the jet downwards, sources told ABC News.
The pilots are said to have tried to manually bring the nose of the plane back up before restoring power but they were unable to regain control - ultimately resulting in the plane crashing to the ground.
The doomed Ethiopian Airlines Boeing 737 Max that crashed and killed 157 people last month reportedly had its angle-of-attack sensor damaged on takeoff from a foreign object or bird
It was not immediately clear whether the crew intentionally re-deployed the MCAS system, which was designed to push the nose of the 737 MAX down to prevent a stall but which is suspected of exacerbating a different scenario linked to two recent crashes.
A person with knowledge of the aircraft said the system cannot re-activate itself unless prompted by pilots. One possibility is that the crew may have re-activated MCAS in an attempt to reduce