https://www.reuters.com/article/us-ethiopia-airplane-software/boeing-software-under-scrutiny-as-ethiopia-prepares-crash-report-idUSKCN1RF0YU >Boeing anti-stall software forced down the nose of a doomed Ethiopian jet even after pilots had turned it off, sources told Reuters on Wednesday, as investigators scrutinize the role played by technology and crew in the fatal March 10 crash.