So far, my CTC-16XL has been going very well with hourly weekend usage, no major problems seen yet, other then the minor annoyances mentioned before.
So, until something pops up to urge me to pull it apart, I wont sweat the small stuff, but I may touch up convergence, it's a bit off again.
As stated before, on the list of minor stuff.
Replace the 66m focus resistor that seems to have drifted a bit.
Restore the grounding of the delay line to factory spec & put in new peaking coil to replace damaged one, ( though it may be OK, never hurts )
Replace resistors and cap on plate of video output, that gives vertical blanking. ( missed them when I restored it. )
That's about it.