When you're all done, slip a piece of windshield washer hose over the 8-32 bolt. Then prevent it from recurring by adjusting the latch and striker pin or if the door sags too much, the hinge. The handle should operate smoothly without any resistance as it engages the latch. Lube it all with Diogenes Brand dialectic grease. :)

http://cleanflametrap.com/doorHandle.html
--
Art Benstein near Baltimore

What engineers say and what they mean by it:
Engineering says: "The entire concept will have to be abandoned"
Engineers meant: The only guy who understood the thing quit.