Its the holiday season. You might have to wait a little longer to bring up your case with the respective staff/admin.

However, your suspension does seem warranted (as in you did commit the offense, and it doesn't really matter what the motive was for the complainant to report you)

Hmm.. was on the impression you knew. All warnings issued are logged for your own reference with necessary details. Click on the Warning Percentage and you will be taken to the warning logs.

The excuse of he did it, so i guess i'm allowed to do it too doesn't apply here. If you know its against forum policy, report it, don't get involved in it. Chances are someone else will report you in, and you'll be the one which gets the full blame.