Boeing finds software glitch that may disable landing guidance on 737 MAX jets
Boeing also faced renewed scrutiny in January 2024 after a door plug blew out of an almost-new 737 MAX 9 operated by Alaska Airlines during a flight. The latest software issue does not mean that the aircraft is unsafe to fly. Regulators and the company are still examining the problem and determining whether any further action is required.
Boeing has discovered a software glitch on some 737 MAX aircraft that could disable automated flight guidance during certain landing situations, according to the Wall Street Journal. The issue stems from a cockpit software update and occurs when pilots alter the aircraft's planned route following a missed approach. In such cases, an automated navigation feature may fail during the subsequent landing attempt.
Boeing notified operators of the problem last month and is working on a permanent fix. The company shared information with operators about existing procedures to safely handle such situations. Boeing stated that engineers are developing a software update to permanently address the issue. The Federal Aviation Administration (FAA) is aware of the problem and will convene a Corrective Action Review Board to assess the safety implications.
If a safety concern is identified, the FAA will take immediate action. Southwest Airlines and United Airlines have requested Boeing to delay deliveries of new 737 MAX aircraft with the affected software, opting for aircraft with an earlier software version instead. The latest issue adds to the scrutiny surrounding the MAX program, which has faced regulatory and safety concerns since two fatal crashes in 2018 and 2019 that killed 346 people.
The aircraft remains grounded globally. The software problem does not necessarily indicate unsafe flight conditions, but regulators and Boeing are investigating the issue and determining whether additional actions are necessary.
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