Claim: précis extract in part is inaccurate (9)
I believe the answer is:
imprecise
'inaccurate' is the definition.
(similar in meaning)
'claim precis extract in part' is the wordplay.
'in part' indicates a hidden word.
'IMPRECISE' is hidden in the letters of 'claim precis extract'.
'is' is the link.
(Other definitions for imprecise that I've seen before include "Not exact or clearly stated" , "Not true" , "not quite right" , "Approximate" , "Inexact" .)