The page flip bar was becoming a real pain with the java development so I finally got out my "Totally awesome collection of tools" Fast Times at Ridgemont High and found a Torx driver that fit the fasteners in the back of the iLiad.
I found that a moderate amount of finger tip applied torque caused a 45 degree rotation on every fastener except the one directly under the page flip bar. After completing this re-torquing procedure I discovered that the case was now back to being more like a slab of granite instead of the limp "loose stack of paper" feel it had before.
The page flip bar is now restored to crisp precise operation.
I probably violated the warranty but as far as I could tell: iRex was never going to honor my warranty anyway.