Solution : https://service.sap.com/sap/support/notes/1139006 (SAP Service marketplace login required)
Key words : 
/instguides-> sap netweaver 2004s-> release 2004s-> maintenance-> sps <current_sp_number>-> netweaver 2004s support package stack guide - sps<current_sp_number> update procedure 1, aggregation fixed attribute definition set-type fix, support packages stack guide, fems compression fixed memwatch tracing fix, 16 gb blades removed memory leaks, optional fems compression fix, support package, existing trex/bia instance, mf download procedure, update procedure
Related Notes : 
       
| 1150438 | BIA 7.00: Wrong result for query on time dependend data | 
| 883726 | BIA 7.00: Central Note SAP NetWeaver BI accelerator |