Boeing's 737 MAX Software Glitch Triggers FAA Investigation

Boeing's 737 MAX lineup is facing fresh scrutiny after a software glitch was identified in an automated navigation feature during certain landing scenarios. The issue emerged after a cockpit software update and can occur when pilots change their planned flight path following a missed approach.

In the affected scenario, pilots may have to fly the aircraft manually without some autopilot functions, potentially increasing their workload at low altitude. Boeing notified 737 MAX operators about the issue in late August and said at the time that it did not pose a safety risk.

The Federal Aviation Administration (FAA) is now investigating the issue and could take action if it determines that additional measures are necessary. The software glitch has already prompted some airline customers to push back, with Southwest Airlines Co. (LUV) and United Airlines Holdings Inc. (UAL) requesting an earlier software version.

The FAA's investigation could affect the certification of Boeing's newest 737 MAX variants, including the MAX 7 and MAX 10. The FAA approved the MAX 7 for passenger service last month with the new software, but regulators may reevaluate its certification if they determine the glitch constitutes an unsafe condition requiring corrective action.