>Is there a way to determine what the papersize is associated with a certain report? I can look at page setup of a report and see that it is the custom size that I had created(9"x12"), but somewhere along the lines, the size gets changed to the maximum custom size(11.7"x17.7"). I can tell this because the text prints too far to the right on the page. I can browse the report like a table and see a line: PAPERSIZE=127 Anyone know what 127 means?

For custom paper size PAPERSIZE=256.
Take a look at PRTINFO() function, PRTINFO(2), PRTINFO(3) and PRTINFO(4) in particular.
Under what version of Windows it happend? There's known problem with custom size forms under NT/WIN2K.