Here we would like to draw your attention to OIUG transaction code in SAP. As we know it is being used in the SAP PM-WOC (Maintenance Processing in PM) component which is coming under PM module (Plant Maintenance).OIUG is a transaction code used for Service Order List in SAP.
It comes under the package IWOC.When we execute this transaction code, RIOFSE00 is the normal standard SAP program that is being executed in background.
Transaction OIUG technical data table
| Tcode | OIUG |
| Purpose | Service Order List |
| Module | PM |
| Component | PM-WOC |
| SAP Package | IWOC |
| Program running | RIOFSE00 |
| Screen No | 1000 |
| Type | R |