Hi,
I recently got asked to be scrum master on a second team and decided first to "silently" monitor the team for a sprint to see what was going on. By silently I mean I was in listening-mode at their events (daily/refining/review/retro/planning), reviewed their product/sprintbacklog & metrics and had one-on-one conversations with Product Owner, Scrummaster-to-be-replaced, and members of the dev-team(7 people). The outcome; a hell of a challenge.
My findings, in order I attended: