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Boeing has identified a software glitch in the 737 Max that could cause an automated navigation feature to fail during landing if pilots change their planned approach after a missed landing attempt. The issue was reported by the Wall Street Journal on September 26 and affects certain cockpit software updates. Boeing informed airlines in August about the problem, advising existing pilot procedures for safe handling until a permanent fix is implemented. Both Boeing and the FAA are working to address the potential safety concern.
Written locally by qwen2.5:14b on 2026-09-26,
using this article's own text rather than the other coverage of the
same event (that is the story summary below).
Story summary
In late August, Boeing discovered a new software glitch on its 737 MAX planes that can disable an automated navigation feature during a missed landing approach. This issue arises when pilots change their flight path after aborting a landing attempt due to a cockpit software update. In certain scenarios, the plane's vertical navigation system (VNAV) disengages, leaving pilots without some autopilot functions at low altitude and potentially in challenging conditions like bad weather.
Boeing informed airlines that it does not consider this glitch a safety risk but is working on a permanent fix. The Federal Aviation Administration (FAA) is investigating the issue and could take action if it poses a safety concern. Southwest Airlines and United Airlines have opted to accept aircraft with an earlier version of the software, refusing new planes until the problem is resolved.
This incident follows previous scandals involving the 737 MAX, including two fatal crashes in 2018 and 2019, which led to a worldwide grounding. The recent glitch has raised concerns about pilot workload during critical moments when manual control might be necessary.
Written for “Boeing 737 Max Software Glitch” on 2026-10-05,
grounded in this article and the 4 other(s) covering the same event.
Boeing flags 737 Max software glitch affecting landing navigation feature, WSJ reports
AI generated
asserted
WSJ → flag → feature
Boeing has identified a previously undisclosed 737 Max software glitch that could cause an automated navigation feature to fail during landing, the Wall Street Journal reported on Sept 26, citing company documents.
uncertain
Journal → identify → documents
The issue emerged from a cockpit software update and can occur when flight crews alter their planned flight path after a missed approach, the report said.
asserted
report → emerge → approach
When reached for comment, Boeing said it informed all 737 operators in August about the software issue under which pilots may not have access to automated flight guidance during a specific landing scenario.
uncertain
pilots → reach → scenario
“We shared information with operators that reinforced existing pilot procedures for safely handling such cases.
asserted
that → share → cases
Our engineers are working on a software update to permanently address the issue,” Boeing said in an emailed statement to Reuters.
asserted
Boeing → work → Reuters
The Federal Aviation Administration said it was aware of a potential issue in a software update for the flight computers on certain Boeing 737 Max planes and was working closely with Boeing and the airlines.
asserted
it → say → Boeing
“The FAA will convene a Corrective Action Review Board and will take immediate action if it identifies a safety concern,” the FAA said in a statement.
asserted
FAA → convene → statement
Boeing has been under intense regulatory and safety scrutiny in recent years following two fatal 737 Max crashes in 2018 and 2019 that led to a worldwide grounding of the aircraft, and after a mid-air cabin panel blowout on a nearly new Alaska Airlines Max 9.
asserted
that → follow → Max
Southwest Airlines and United Airlines have asked Boeing not to deliver new 737 Max aircraft equipped with the affected software and instead requested an earlier version, according to WSJ.
uncertain
Airlines → ask → WSJ
It was not immediately clear how many aircraft are operating with the flawed software, the report said.
asserted
report → operate → software
Boeing, airlines and regulators are assessing the issue and whether it poses a flight-safety concern, it added.
asserted
it → assess → concern
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