defective element

Translations
неисправный элемент
дефектный элемент
бракованный элемент
неисправная деталь
Definitions
A component or part that is faulty and does not work as intended.
An individual constituent of a system, structure, or set that has a defect or fails to meet the required specifications.
Words
defective

adjective
дефектный
element

noun
элемент