Boeing's 737 MAX Software Glitch Raises Concerns Over Safety

Boeing has identified a software glitch on its 737 MAX that could cause the plane's automated flight guidance to switch off in certain circumstances, potentially requiring pilots to take manual control. The issue was first notified to operators last month and is being worked on with the Federal Aviation Administration (FAA) to develop a software update.

The glitch occurs when a pilot alters their preprogrammed flight path, causing the aircraft to switch from vertical navigation mode to a simpler level of automation, which requires extra steps for landing on the next approach. However, pilots are trained to safely land an airplane without automated vertical navigation, and Boeing has shared information that 'reinforced existing pilot procedures' for handling such cases.

Boeing is working with airlines on a procedure that allows pilots to reenable automated vertical navigation if the glitch occurs. The software issue affects only the latest version of the flight management computer's software, which will be rolled out in 2028 but is being accelerated due to this concern.