Yes, it's fixable. Take your time and salvage what you can. As Rev Bob said " that corner piece is like gold and treat it as such. I personally think it's more like platinum and treat it as such. Just keep in mind, I am parting out a 96 RMW but! after the end of this month, I am moving it on to rustier pastures.
I may or may have parts and or Fred Kiehl may have parts.