The new review adds to the stepped-up scrutiny of the 737 Max as Boeing works with airlines and regulators this week to prepare a software update for the workhorse jetliner. A criminal investigation led by the Justice Department is also underway, as is an audit by the Transportation Department’s inspector general of the 737 Max’s approval. The Senate is holding a hearing Wednesday to review aviation safety in the wake of the two crashes.

Source: Los Angeles Times March 26, 2019 00:22 UTC