How to build Flag-triggered node creation using Rules

For a site using Drupal Forum module, I've got flags set up (Flags module) so registered users can flag problem posts (one Flag for comments, one for nodes). Already have Views set up so moderators can quickly look at flagged content.

But lately we're wanting to present a form of some sort to users who flag content asking them why.
So what I'm thinking is something like this:

• User flags node/comment
• Some kind of Rule takes user to a form to create a new node of a custom type (problem report, maybe)
• The form captures the user and the node/comment that was flagged
• User submits the form
• Some sort of rule takes user back to where they were when they flagged the content
  (Nice bonus: email goes out to moderators containing links to flagged content and also to the 'problem report' node... or maybe just the latter if it links to the content)

So far, looking through Rules, I'm not really grasping how to make this happen. Is there a step by step anywhere for a scenario like this?