Airbus planes get a software fix for a known autopilot problem

The US aviation regulator is ordering a software update for certain Airbus A330 planes. This update fixes a problem where the plane's autopilot can cause engine thrust to fluctuate during descent.

This is a small, mandatory software update for a specific set of aircraft. It addresses a known safety issue that could affect flight stability. For airlines, it means a routine maintenance task to ensure continued airworthiness.