Sure. Here are a few I dug up with the search function: none of them have been replaced with new ‘Discourse style’ links:
Not working
Links of the format http://blenderartists.org/forum/showthread.php?t=xxxx.
- This one does not work with normal click or when opened in new tab: Lamborghini Driving Game W. I. P.
Working
Links of the format https://blenderartists.org/forum/showthread.php?339369-MultiEdit-version-5-Multiple-Objects-Editing
- This one does not work with a normal click, but does work when opened in a new tab: Addons updates Blender 2.79
- Same here: Slow camera
@joahua could you provide some examples of ‘deep links’ that point directly to an individual post down a topic?