Goes over the faults (7)

I believe the answer is:

defects

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'faults' is the definition.
('defect' can be a synonym of 'fault')

I can't explain the rest of the clue.

(Other definitions for defects that I've seen before include "Faults" , "Abandons cause" , "defaults" , "Flaws" , "Shortcomings; changes sides" .)

I've seen this clue in the Evening Standard.

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