Hello,   Is the VNAV descent ball not working on the A330? I can't perform a managed descent because the ball is bouncing up and down. This results in a steep dive of over >4000FPM and can only use vertical speed mode to follow the profile manually. I had the same issue with the smaller buses and wondering if anyone else is experiences this?    A330 Version - 1.0.0.4   P3D Version - 4.5.13   Thank you