Solution : https://service.sap.com/sap/support/notes/650296 (SAP Service marketplace login required)
Key words :
access existing archive files, /3 enterprise application components-> scenarios, access archived data automatically, archive planned total records, adktransaction saraarchiving object co_cctr_pl, standard line item reports, solution note 577847 describes actions, line item reports, rksarpdlbusiness configuration set, business configuration set