İf you want to see both request ticket as default, you modify "cmdbNotebook.htmpl"
OOTB
<PDM_MACRO NAME = TAB title="Issues" SRC="OP=SEARCH+FACTORY=iss+QBE.EQ.asset.nr.id=$dob.id+KEEP.forNrtoIss=1+QBE.EQ.active=1" height=300 new_row=YES>
<PDM_MACRO NAME = TAB title="Incidents" src="OP=SEARCH+FACTORY=in+QBE.EQ.affected_resource=$dob.id+QBE.EQ.active=1+KEEP.forNrtoIn=1" height=300>
<PDM_MACRO NAME = TAB title="Problems" src="OP=SEARCH+FACTORY=pr+QBE.EQ.affected_resource=$dob.id+QBE.EQ.active=1+KEEP.forNrtoPr=1" height=300>
<PDM_MACRO NAME = TAB title="Requests" SRC="OP=SEARCH+FACTORY=cr+QBE.NE.type=P+QBE.NE.type=I+QBE.EQ.affected_resource=$dob.id+QBE.EQ.active=1+KEEP.forNrtoCr=1" height=300>
<PDM_MACRO NAME = TAB title="Change Orders" SRC="OP=SEARCH+FACTORY=chg+QBE.EQ.asset.nr.id=$dob.id+KEEP.forNrtoChg=1+QBE.EQ.active=1" height=300>
Like this
<PDM_MACRO NAME = TAB title="Issues" SRC="OP=SEARCH+FACTORY=iss+QBE.EQ.asset.nr.id=$dob.id+KEEP.forNrtoIss=1+QBE.LE.active=1" height=300 new_row=YES>
<PDM_MACRO NAME = TAB title="Incidents" src="OP=SEARCH+FACTORY=in+QBE.EQ.affected_resource=$dob.id+QBE.LE.active=1+KEEP.forNrtoIn=1" height=300>
<PDM_MACRO NAME = TAB title="Problems" src="OP=SEARCH+FACTORY=pr+QBE.EQ.affected_resource=$dob.id+QBE.LE.active=1+KEEP.forNrtoPr=1" height=300>
<PDM_MACRO NAME = TAB title="Requests" SRC="OP=SEARCH+FACTORY=cr+QBE.NE.type=P+QBE.NE.type=I+QBE.EQ.affected_resource=$dob.id+QBE.LE.active=1+KEEP.forNrtoCr=1" height=300>
<PDM_MACRO NAME = TAB title="Change Orders" SRC="OP=SEARCH+FACTORY=chg+QBE.EQ.asset.nr.id=$dob.id+KEEP.forNrtoChg=1+QBE.LE.active=1" height=300>