Method and apparatus for re-opening of holes in a component for a coating process

There is a method of re-opening of holes (3) in a component (1) after a coating process in which the component (1) existing holes (3) have been closed, are provided. In the method, the position of closed holes (3) is determined on the basis of a thermographic method, and after determining the position of the holes (3) by means of a drilling operation to be reopened.