As you taxi in and fire up the APU, you may notice a series of CAS messages that come and go. Your normal reaction will be "what was that?" followed by "oh, nothing" after all but the "Check CMC" go away. I've taken to taking video of the process and here is what I've come up with:
Sometimes we'll get that twice.
We don't always get all of these, but these are the ones that happen now and then and don't seem to be a problem.
Everything here is from the references shown below, with a few comments in an alternate color.
CONSIDER LIMITING T/R USE IF TAXI SURFACE IS DEGRADED OR CONTAMINATED TO PREVENT AIRCRAFT DAMAGE.
Gulfstream GVII-G500 Airplane Flight Manual, Revision 4, August 29, 2019
Gulfstream GVII-G500 Production Aircraft Systems, Revision 3, July 15, 2019
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