damn lock cyl fell out of my T-top

has this every happened to any1? i looked on my passangers seat one day and ill be damned if the damn cylinder wasnt sitting in that seat laughin its ass off. i stuck it back in the T top and it doesnt want to stay in there, i locked and unlocked and twisted thinking there might be some trick to it no worky


has this happened to anyone before?

and how the hell do i fix it