my controller hasn't done that. it works perfect.
amazon is easy to deal with and they have easy return policy. i bought a modem from them that didn't work, i contact them and they sent me a free packaging lebel to ship it back at no cost. and 2 days later, i recieved a new one that works. contact them via emails, it works better that way.
I contacted sony, they said they'd give me info on how to ship it to them. IT should take roughly a week...
really debating on just using this video and trying this method...
Update: Took my controller apart, and after several hours of experimenting I've found the way to fix it. I applied DAB of WD-40 onto a q-tip and touched the corners of the poll the trigger sits on, works absolutely perfectly now.