Here we would like to draw your attention to GCRB 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). GCRB is a transaction code used for Report Selection in SAP.
It comes under the package for Report Painter / Report Writer (GRWT). When we execute this transaction code, SAPMKKB5 is the normal standard SAP program that is being executed in background. Transaction code GCRB is included in the SAP component for SAP_FIN.
Transaction GCRB technical data table