mpetruzz

I have a 2000 Subaru Impreza Outback Sport and have recently begun to hear a rattle coming from my passenger side door. It only happens when I drive over bumpy surfaces. If I push on the armrest where the power window switch is, it goes away. So I guess my question is, has anyone else experienced this and are there any recommendations on how to fix it. I don't want to start looking for something and then make a bigger problem. Thanks