We had an LED bulb fail for the first time. We put 5 Philips bulbs in our over-the-table chandelier when we moved into our house. A week or two ago one of the bulbs began shutting off after being on for ~30 minutes and it would then cycle on and off. That suggests to me an overheating problem. Now the bulb doesn't light at all.
It lasted almost exactly 7 years and the other 4 bulbs in the fixture are still going just fine. I expected it to last longer and maybe it was flawed (we'll see what happens with the other 4 bulbs). But 7 years is pretty good since it paid for itself in reduced electrical usage after about 1.5 years.