What Is the most critical thing for technicians to remember about removing and replacing an
interconnect board (ICB)?

A.
The ICB and the formatter must always be removed and replaced at the same time

B.
A used ICB can only be used for troubleshooting purposes in other engines

C.
The ICB and DC controller must always be removed and replaced at the same time.

D.
After it is installed in an engine, a used ICB can never be installed in another engine

Explanation: