they are looking for more than 'closed? YUP>>>"
what did you do to close the CA? What evidence did you review? How did you come to that conclusion?
Don't tie your self into a regiment of activities. Leave it a comment block called something like "follow up activities"
and actually fill in what you did to make the decision to close the CAR...
examples:
reviewed training record xxx, yyy for the above mentioned reinforcement of the criteria.
reviewed ECO #xyz to procedure nnnnn rev z to show the required change was authorized and released.
Audited area XXXX for evidence of recurrance, no evidene was found. see report #yyyy
Did a dock audit of product xxx order #yyyy no issues found.
See attached photo of the zzzz area in question. The area no longer has piles of stuff....or what ever