Here we would like to draw your attention to OIY4 transaction code in SAP. As we know it is being used in the SAP PM (Plant Maintenance) module. OIY4 is a transaction code used for C PM PrelimTabSettngs PM Orders 2.1A in SAP.
It comes under the package INSC.
Transaction OIY4 technical data table
|Purpose||C PM PrelimTabSettngs PM Orders 2.1A|