I have a pdf document with a master that has a green footer across the bottom. There is a small white space ONLY on the pages displaying on the left side of a two page spread or no matter how else it is displayed it always shows the left side having the space and the rightside does not. I tried moving, cropping and re doing but I get the same result.
I believe this is a known bug in CS5 or 5.5. It may help to move the color bar slightly away from the spine so it doesn't touch, but I don't recall for sure.
I have a client asking me to remove the space, I hope someone else can chime in here. I tried to move the bar away from the spine and I still get the space.
Maybe I misunderstood. I thought you didn't want the bar to show on the left side, but maybe you mean there's a tiny white gap there that shows because the bar doesn't actually touch the spine. If that's it, then make the bar wide enough to fill the page width on the master page (you should have tow color bars, one on each side of the spread, whcih touch each other exactly at the spine).