Welcome to the forum its a great place to get your questions answered. The first step is somewhat large a better solution then taking things apart and replaced replacing the factory step might be buy one of the short camping step stools that have folding legs instead. Many diesel pusher folks use them.
Jake my sidekick (yellow Lab) 10/04 - 05/20
2017 RAM 2500 CC 4X4 Cummins Diesel
2016 Flagstaff 26 FKWS
AF&AM & El Korah Shrine of Idaho