2018 LINCOLN MKT Structurebodydoor Problems

On [XXX] the drivers side keyless entry fell off our vehicle while traveling on the Ohio turnpike. The wiring harness held the trim component from falling off the vehicle, but caused it to fling and smash into the vehicle until we pulled off the turnpike. We duct taped the part in place until we could get the vehicle to our local Lincoln dealer. I noticed that the part had no clips to hold it into place, just double sided sticky tape that had only adhered to about 1/3 of the frame. On inspection, we noticed that the passenger side trim was also loose. I was told by Lincoln that at 53,000 miles this was a trim part and not considered an electrical component. We purchased a new component (part # BE9Z7420555BA) and had the dealership (Signature Ford of Owosso, MI) install the part. Now on [XXX] we heard a rattle...