Yep, just finished off a Citation Ultra. Complete set of primary flight control cables replaced because we were trying to be proactive and not leave it to the cutoff date. We would have had two more citations and three king airs to do which is why we started now.
The CASA rule change came about halfway through the job.
I always scoffed at when the GPWS system installs were mandated, and everyone left it until the last moment to get them done. At that time we had nose to tail Metro's in the hangar getting them installed as they were effectively grounded.
I can see why operators wait, CASA can just as easy change their mind.
It's such a gamble, when industry is struggling with costs anyway!