It probably only needs a new extractor spring. Same basic setup as a 39-2, my current one was doing that after I got it. Wollf makes a spring set for the gun which includes an extra power extractor spring, a new firing pin spring (also extra power, IIRC) and a new ejector spring (replaced in the frame, not the slide). I found it on Midway's website, only cost a few dollars. You have to use their search function to find it, look for S&W 39 or 59 extractor spring, it doesn't show under any catologue headings. Installation is pretty straightforward (if you have the instructions, you have to make sure you drive the pivot/retaining pin out, and back in, the slide in the right direction). Only involves some slide disassembly, unless you really want to install a new ejector spring (mine has worked flawlessly since I replaced the springs). Oh yeah, it would be prudent to also replace the recoil spring, as well. If you can't locate an early 39-2 instruction book, I might be able to dig up a copy.
