I've attached some snapshots of both TexView2 and In-game... plus the same image to help reproducing and hopefully locate the issue more quickly: {F178107}
Tested on bulldozer and same issue happens there but strangely not on O2's DX Textured: {F178125}
Since i can't open .paa format with any tool apart of BI ones i'm unable to help further.
Thanks ;)