I would be concerned about it. I can't tell from the pic what the material is. Your description indicates it is wall board that's not exposed to water. I still would want it looked at by a dealer if under warranty.
2011 351RLTS Eagle, Mor/Ryde suspension & pin box
06 F350 Lariat PSD, SRW, LB, CC, EGR delete kit, 16K DrawTite hitch, Timbrens, TST TPMS
2017 GMC Terrain (future TOAD)
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