If you are not familiar with gage R&R and measurement system analysis, these items can be a little confusing.
Take the time to read through the MSA manual and ask questions of you fellow auditors. You company should also be able to provide some training and guidance on this.
Also, this forum can provide a wealth of information; it's pretty easy to do a search.
I suspect Mr. Dyer is under the impression you are a third party auditor. I would hope this is not so, however, if it is so, please get in touch with your company for some more detailed and thorough training before conducting future audits.
Many of us who frequent this site are auditors who take our work pretty seriously and spend a lot of time studying and trying to improve our knowledge and skills.
Oh, Mitutoyo offers excellent classes on MSA from time to time that will be helpful also.
Good luck.