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
| Tcode | OIY4 |
| Purpose | C PM PrelimTabSettngs PM Orders 2.1A |
| Module | PM |
| SAP Package | INSC |
| Type | P |