you can install a programmable electric switch that runs 1 hour per day, or more, a bilge blower, so that you force the ventilation of the engine room. the bilge blower is built with spark free engine, so you do not have the risk of ignition matter.b...
visit some other ladder fro the same distributor "OSCULATI" may you find the one that fits, or you have to create a plate that fits the original sea ray holes and than the new ladder.
Take a look of this Italian product. i've seen at Genova boat expo works GREATLY https://www.osculati.com/it/11627-49.575.04/scaletta-telescopica-easyup-sopra-plancetta-con-maniglie
