PREVIOUSLY RECALLED RUSTED CROSS MEMBER DROPPED SPARE TIRE ON MASSACHUSETTS 495 HITTING THE VEHICLE BEHIND ME. 8/18 TOYOTA INSPECTED CROSS MEMBERS AND FRAME AND TOLD ME THEY ALL NEEDED TO BE REPLACED AND SINCE THEY ALREADY DID IT ONCE DURING RECALL THEY HAVE FULFILLED OBLIGATION. TRUCK RECIEVED VEHICLE UNDERCOATING PER CAMPAIGN HAS HAD ONE CROSSEMBER REPLACED AND FUEL STRAPS. TRUCK IS ONE OWNER WITH 74K MILES AND GARAGED. TRUCK INSPECTED IN 2014 AND IN 2017 NOTED NO CORROSION AT MULTI POINT INSPECTIONS FROM TOYOTA. 8/14/18 DEALERSHIP NOTED CROSSMEMBERS HAD ROT THAT MUST BE WELDED AT AN OUTSIDE SHOP. TOYOTA DEALERSHIP WOULD NOT QUOTE REPAIR AND NOT WORK ON TRUCK. HAVE 2 CHILDREN 3 AND 5, WIFE AND I NEED A SAFE RESOLUTION FROM TOYOTA. THE RECOMMENDATION IS REPAIR AT AN OUTSIDE SHOP FOR SAFETY REASON AND I UNABLE TO FIND A SHOP TO PREFORM TOYOTA'S RECOMMENDATION AND THEY WILL NOT WORK ON VEHICLE.