### Clue: Trot round area that's made good (8)
### Answer: REPLACED 
 ### Explanation: Definition: made good 
  RED(a communist, who could be a Trotskyite, abbreviated to Trot, a follower of Leon Trotsky, Russian revolutionary) **containing**(round) PLACE(an area,locality). 
Answer: If something is defective, it could be made good by being replaced.