We had the same issue on our 2010 Salem TT and the fine folks at the International Rally in Goshen 2 years ago replaced the whole door.
2011 FORD F350 CREW CAB DUALLY DIESEL 4x2
2010 Salem LA 292FKDS
One of the Original 14 F.R.O.G.s
1st, 2nd, and 3rd INTERNATIONAL F.R.O.G. RALLY Branson. MO.
1st, 2nd, and 4th INTERNATIONAL RALLY Goshen, IN.