FYI I had that happen to one of my Cree bulbs. I didn't want to deal with returning a single bulb to HD, so I emailed Cree, and they just sent me a new bulb, n

FYI I had that happen to one of my Cree bulbs. I didn't want to deal with returning a single bulb to HD, so I emailed Cree, and they just sent me a new bulb, no questions asked.