Here we would like to draw your attention to OIAO transaction code in SAP. As we know it is being used in the SAP PM (Plant Maintenance) module. OIAO is a transaction code used for Field Select. Ref. Obj. PM Notific. in SAP.
It comes under the package INSC.
Transaction OIAO technical data table
|Purpose||Field Select. Ref. Obj. PM Notific.|