Tip of Psychopsis flower dying and then regrowth

[Syrinth]

So as the title says, I have two psychopsis plants which seem to have decided that the last inch or so of cane isn't viable anymore. I'd have started to panic, but they each started a new growth and flowered about an inch or two below.

In the attached picture, the space above isn't dead, but it hasn't flowered either. The other psychopsis had the shoot above the new growth go completely brown so I cut it off.

Any thoughts on what could be happening/wrong?