In 10man ulduar on sat, my group (on my paladin) decided to go for a drake run. We did all the major achievements, but I did not get credit for Disarmed. I ticketed this on Sat night and got a reply on Sunday. The reply was "hold on, let me check the log". I waited..."this is a known issue and we are unable to fix it at this time". Nothing else of value was said of course, because it's like talking to a wall. So I ticketed it again. I got another response from a GM, this time in email form, as I was offline at the time of response. This response said that blizz is unable to award achievements, try again next week. Now I'm probably going to ticket it a third time, because this inconsistency in what they are willing or able to do needs to be clarified. But has anyone else come across this issue?
Before a host of answers come about how I probably did it wrong, yes, I know how the achievement works, and I have done it on 2 other lvl 80s. Also I had teh timer running on track achievements and also looked at kill logs to double check.