Here we would like to draw your attention to GR28 transaction code in SAP. As we know it is being used in the SAP FI-SL (Special Purpose Ledger in FI) component which is coming under FI module (Financial Accounting). GR28 is a transaction code used for Import libraries in SAP.
It comes under the package for Report Painter / Report Writer (GRWT). When we execute this transaction code, RGRJTI00 is the normal standard SAP program that is being executed in background. Transaction code GR28 is included in the SAP component for SAP_FIN.
Transaction GR28 technical data table