FAA investigates software glitch in some Boeing 737 Max jets
Summary
The Federal Aviation Administration (FAA) is investigating a software problem in certain Boeing 737 Max planes that may cause the autopilot’s vertical navigation system (VNAV) to turn off during a specific landing situation called a go-around. Boeing is working on a software update, and airlines are taking steps to manage the issue while the FAA reviews the problem.Key Facts
- The software glitch affects the Boeing 737 Max’s flight management computer versions 14 and 14.1.
- The issue can cause the plane’s VNAV system, which controls altitude automatically, to turn off during an aborted landing when pilots change their flight plan with autopilot on.
- If VNAV disengages, autopilot still works but with less automatic control, requiring more pilot attention.
- Boeing informed airlines about the issue last month and shared procedures for pilots to handle it safely.
- Boeing plans to release a software fix earlier than the original 2028 timeline.
- Some airlines, like Southwest and United, refuse new 737 Max deliveries with the affected software version.
- FAA will review the issue and is prepared to take immediate action if safety is at risk.
- The problem may delay certification and delivery of the 737 Max 10 and recently certified Max 7 planes.
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