What is the Boeing 737 MAX software flaw that can disable automated navigation and some autopilot functions during landing, when and how can it occur, what risks does it pose for pilots, when did Boeing learn of it and begin a formal safety review, how have airlines and the FAA r

A cockpit-software flaw on some 737 MAX jets can interrupt automated navigation and parts of the flight guidance used for an approach. It is reported to arise after a missed landing attempt if the crew changes the programmed flight path; the concern is that pilots could unexpectedly lose that assistance while preparing to land again. 45

• Pilot risk: The loss of guidance could increase workload at a demanding, low-altitude stage of flight. It does not mean pilots lose the ability to fly the aircraft, and the available reporting does not establish that the flaw has caused an accident. 54
• Timeline: Boeing reportedly learned of the issue in November 2024, began a formal safety review in 2026, and informed operators in August 2026. The available evidence is too limited to establish a more precise review-start date or explain the interval between discovery and review. 112
• Response and fixes: Boeing has reinforced existing pilot procedures as an interim way to handle the condition and is developing a permanent software update. The FAA is assessing the issue and says it will review the proposed fix and act immediately if it identifies a safety concern; a completed fix or fleet-wide grounding has not been established. 912
• Deliveries and new variants: Further review or required changes could slow deliveries and the MAX 10’s certification, but a delay is a possibility, not a confirmed outcome. The MAX 7 was already certified in August 2026, so describing this issue as delaying its initial certification would be inaccurate. The FAA’s recent decision to let Boeing resume issuing airworthiness certificates after a safety review, alongside the MAX’s earlier groundings, makes the regulator’s assessment especially consequential. 213