Fallout 3 Achievement Help

I was recently tallying up my gamerscore for Fallout 3, rather confused, because it showed me only having 57/64 achievements with 1160 gamerscore... I counted it myself and have 60/64 achievements, 1250 gamerscore. Something must have glitched with a download pack of some sort. I really wish this could be fixed but I'm beginning to think it's a lost cause.

I just checked my achievements on xbox.com and I'm missing the 3 quest achievements for Broken Steel, it shows I have them, and yet it shows I'm missing them. Hm.. I already tried beating them over last night as well, and no luck.

thats been happening to many people recently, as I've gathered.

just wait a few days and if still nothings happened try sending an email requesting for this update to the apropriate person.