Hi,
Have you tried these reports?
RSXMB_DELETE_MESSAGES
SAP_BC_XMB_HIST_DELETE
SAP_BC_XMB_DELETE
You can refer the below links
Step by step guide:
http://wiki.scn.sap.com/wiki/display/XI/Troubleshooting+for+Archive+and+Delete+on+Integration+Engine
https://scn.sap.com/thread/874618
Regards
Bhargava krishna