Have you seen the Period Close Advisors?
By Oracle_EBS on Aug 07, 2012
The Period Close Advisor provides guidance on recommended period end procedures for E-Business Release 12.x. Gain improved Period Close experience with less delay while avoiding reactive issues and escalations due to the proactive nature of the Period Close Advisor. For example, the #7. Inventory & Costing tab shows steps to evaluate the Inventory and Costing period close, navigations, tips as well as key notes for resolving issues.
For more details and to review the period close advisors, see Doc ID: 335.1 http://bit.ly/JIYwyt