Share 'Gibson MK72 neck reset'

Hi all I have an MK72 on my bench needing a neck reset but it appears to have other issues that I don't really understand and thought that someone here might be able to help.  My scant knowledge of these particular guitars is limited to "they're somewhat unstable" so I'm just a bit hesitant in case this turns into a seriously major (too costly) undertaking for the owner.  There's evidence of mov…