This must be a common failure because I see this part for sale on eBay all the time. Looks like there is a left and a right so be sure to get the right one.
Here's a link to an eBay auction for this part:
http://cgi.ebay.com/ebaymotors/NEW-PORSCHE-924S-944-968-LEFT-DOOR-HANDLE-REPAIR-PIECE_W0QQitemZ160138814023QQihZ006QQcategoryZ3364 2QQrdZ1QQcmdZViewItem