I had the right ejector hammer break in one of my Repros. I sent the gun to four different gunsmiths to try to get it fixed, two of which were nationally known as being the
"best" 
when it comes to Parker ejectors. None of them could fix the ejector---that is, until I sent it to Jack Haugh in Milan, IN. Jack's son Frank tig-welded it back together and re-hardened it. The ejector has functioned properly ever since. To my way of thinking, the Haugh's are the gunsmiths gunsmith. Google up "Jack Haugh" to get a little taste of his credentials.
Jack Haugh & Sons
4421 N. Old Milan Rd.
Milan, IN 47031
812/654-3209