Re-execute an attached mc

1

I have an mc in my library. I attach it at the beginning of my code and it executes it’s frame 1 code correctly. Then, later in my program, I want to re-execute the attached mc but how to do it? The attach instruction is:

_root.attachMovie(“btnR”, “schedArrow1”, _root.getNextHighestDepth());

and the attempted re-execute:

_root.schedArrow1.play();

but nothing happens!