Notices damaged part (7)
I believe the answer is:
section
'part' is the definition.
(section is a kind of part)
'notices damaged' is the wordplay.
'damaged' indicates anagramming the letters.
'notices' is an anagram of 'SECTION'.
(Other definitions for section that I've seen before include "surgical procedure" , "Distinct part" , "Part, subdivision" , "Cut" , "Notices (anag)" .)