Hi Mark,
Try the CARLa script bellow :
/* List of userIDs with GRPACC and related group */
/* GRPACC = cgflag5=YES */
newlist type=RACF
select class=user segment=base cgflag5='YES'
sortlist key('Userid',8) name('Name') cggrpnm('GROUP ') ,
cgflag5('GRPACC',6)
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