crwdns2934241:0crwdne2934241:0 PohTayToez

crwdns2934249:0crwdne2934249:0:

The best you could do would be to take it apart and see if you could clean that area.  I would recommend a brush or q-tip with rubbing alcohol.  In order to open the controller you need a security tox screwdriver, you can get them off of eBay for a decent price.

crwdns2915684:0crwdne2915684:0:

open