Headset friction
 

I have an FSA Pig headset that's only a few months old. When I lift the front end of the bike and turn the handle bars, I can feel a bit of increased friction at on point of the rotation. It's very slight and doesn't affect my turning. However, when coming off a curb, or in any situation where my front wheel comes down, I feel like there's something that's not quite "solid" in my steering column. There seems to be adequate grease in there. Any idea what this is? Is my headset mashed?