Went to court and let a digit out (9)
I believe the answer is:
litigated
'went to court' is the definition.
(I've seen this before)
'let a digit out' is the wordplay.
'out' indicates an anagram (out can mean wrong or inaccurate).
'let'+'a'+'digit'='letadigit'
'letadigit' with letters rearranged gives 'LITIGATED'.
'and' is the link.
(Other definitions for litigated that I've seen before include "Took legal action" , "Went to court" .)