Engineering and regulatory complications are expected to delay safety fixes covering hundreds of Boeing Co. 737 MAX jets until at least April, according to industry and government officials familiar with the details. Boeing is developing revised software for an automated flight-control feature that can forcefully push down the nose of MAX aircraft and was implicated in a high-profile Lion Air crash in Indonesia last October. But the work has dragged on months longer than initially anticipated following the accident, these...

Source: Wall Street Journal February 10, 2019 18:00 UTC