On mine, the center flap was dragging on the bottom, and it has been fixed, shimmed with the washers on the hinge pin. I ALWAYS have to open and shut the right door last even if it wasn't opened or the door seal at the bottom does not seal properly.
2020 Pinnacle 32rlts
640 watts solar, 300AH lithium
2020 High Country Duramax 3500
Ms says I'm full of useless knowledge and other stuff...