SAP ABAP Data Element RLFW_SYSTEM_RL (System runlevel) is used by

• Table (2)

#	Object Type	Object Name	Object Description	Package	Structure Package	Software Component
1	Table	RLFW_RL_MAPPING - SYSTEM_RL	Mapping of System RL to Service RL	SRLFW	BASIS	SAP_BASIS
2	Table	RLFW_RUNLEVELS - SYSTEM_RL	table with historic runlevels	SRLFW	BASIS	SAP_BASIS