FAA investigates software glitch in some Boeing 737 Max jets
The Federal Aviation Administration is investigating a software glitch in some Boeing 737 Max jets that could prompt an automated flight guidance system to disengage during an aborted landing, commonly referred to as a go-around.
In rare circumstances where there is a missed approach — and where a pilot is using a precision approach with autopilot engaged and makes changes to their pre-programmed flight plan — an issue with the flight management computer could cause the plane's vertical navigation system, known as VNAV, to disengage and transition to a less sophisticated level of automated pitch control.
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