taillight

I just brought a 2003 Wolfsburg 1.8t, i dont know much about VWs and this is my first. My passenger parking light doesn't work, my side marker nor the constant taillight doesn't work on the passenger side. i checked all the fuses, matched them with a fuse list i found on here but i cant find...

Recently my taillight went out, no big deal I thought. The bulb was burned out, but it seems the socket is bad?? I thought it could be a fuse, but don't know which one. I couldn't find a bad one anyway. I really don't know where to start. The socket is nice and clean. Also the bottom outside...