FAA Probes Boeing Software Flaw Amid MAX Certification Delays

Boeing is facing fresh regulatory scrutiny as the Federal Aviation Administration (FAA) reviews a flaw in updated flight management computer software fitted to certain 737 MAX aircraft.

The issue, which affects FMC software versions 14 and 14.1, can cause pilots to lose automated vertical navigation during precision approaches flown with the autopilot engaged.

Southwest Airlines and United Airlines have informed Boeing that they will not accept new jets carrying the affected software, citing concerns over safety.

The timing is awkward for Boeing as it works to secure certification for the long delayed 737-10. The FAA has confirmed that it will convene a Corrective Action Review Board (CARB) and take immediate action if it identifies a safety concern.