Buckling Running Board



A new RTR BLI 40' boxcar has just arrived with the metal running board buckled upward. It's still attached at both ends but the center portion has lifted off the supports. The running board is somewhat "springy" and when I try to push down on it, the board pops back up and won't lie flat as if it's a bit too long.

I'd like to use canopy glue to re-attach the board but I'm concerned I won't be able to eliminate the possible extra length if that's the problem.  Any suggestions before I make a mess of the roof?

George Corral
La Grange, KY

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