2007 FOREST RIVER WILDCAT Trailer Hitches Problems

I OWN A 2007 FOREST RIVER 5TH WHEEL TRAILER. IT IS A WILDCAT MODEL 28RKBS. THE MANUFACTURE OF THE FRAME FOR THE 5TH WHEEL TRAILER IS A COMPANY CALLED LIPPERT COMPONENTS, THERE WAS A FAILURE OF THE 5TH WHEEL HITCH PIN BOX TO WHERE IT IS WELDED TO THE FRAME CROSS MEMBERS. THERE WAS CRACKS IN BOTH THE FRONT AND REAR CROSS MEMBER THAT SUPPORT THE 5TH WHEEL HITCH, THE FRONT CROSS MEMBER WAS CRACKED BY MORE THAN 90% OF THE WIDTH OF THE CROSS MEMBER. THE REAR CROSS MEMBER WAS CRACKED ACROSS THE TOTAL WIDTH OF THE PIN BOX. WHEN I AM REFERRING TO CROSS MEMBERS THAT IS THE STEAL BEAM OF THE FRAME THAT SPANS THE WIDTH OF THE TRAILER AND SUPPORTS THE 5TH WHEEL HITCH. I WAS LUCKY THAT I NOTICED THE PROBLEM WITH THE HITCH PRIOR TO A COMPLETE FAILURE OF THE HITCH. IF THE HITCH...