The advanced simulation of the McDonnell Douglas DC-9 works with P3D too, and you can purchase it now at simMarket.
Try the total loss of hydraulics system, it works ! It’s just an example of what you can achieve with one the models variants included : DC-9 series 10, 21, 30, 41, 51 and Freighter.
This is not an advanced sim. Cool Sky has an advanced sim of this aircraft.