Hi,
Also, I will suggest you to check SCN. There must be many post related to this like:
AUC Settlement to Fixed Assets
Internal Order Process for Assets
Asset Under Construction Expenses
How to settle WBS-->AUC -->Final Asset
AUC Settlement through internal order
and many more.. Doing initial search will help you learn more about the topic and will prevent duplicate posting of same question. Hope now your query is answered. Let me know in case you need any specific information.
Regards
Pankaj Pareek