In this Nov. 4, 2018, file photo officials inspect an engine recovered from the crashed Lion Air jet in Jakarta, Indonesia. On the anniversary of the first crash of a Boeing 737 Max, the CEO will begin two days of testimony before Congress by telling lawmakers that the aircraft company knows it made mistakes and is throwing everything into fixing the plane. (AP Photo/Achmad Ibrahim, File)
In this April 29, 2019, file pool photo Boeing Chief Executive Dennis Muilenburg speaks at a news conference after company’s annual shareholders meeting at the Field Museum in Chicago. Muilenburg says that after Boeing finishes upgrading flight-control software on the Max, it will be one of the safest planes ever. Muilenburg is scheduled to testify Tuesday, Oct. 29, before a Senate committee, then again on Wednesday before a House panel. (Joshua Lott/The Washington Post via AP, Pool, File)
On the anniversary of the first of two deadly crashes involving Boeing 737 Max jets, the CEO will tell Congress that the aircraft company knows it made mistakes and is throwing everything into fixing the plane.