You may want to read this site.
There is a Federal recall on RV door locks that fail.
If your lock is one of these I have contacted the company directly and had a replacement ship directly to me for replacement in a friend SOB.
It is an easy replacement so no need for a "Stealer".
WBCCI 12156 AIR 3144 WACHUNG TAC NJ6
2004 Excursion 4x4
1991 34 ft. Excella +220,000 miles, new laminated flooring, new upholstery, new 3200 lbs axles