The RAT deploys when one or both engines stop running. It supplies bare bones electricity and hydraulics. IF it deploys when both engines are up and running, it is a computer fault….either software design, failed sensors, or faulty computers.It can affect flight control systems.
A very serious condition. The Air India crash revealed five or six previous RAT deployment events reported prior to the crash. This can be a major problem for Boeing and their woke engineering team.