Here we would like to draw your attention to OIO9 transaction code in SAP. As we know it is being used in the SAP PM (Plant Maintenance) module. OIO9 is a transaction code used for Operation Units: Duration/Work in SAP.
It comes under the package INSC.
Transaction OIO9 technical data table
| Tcode | OIO9 |
| Purpose | Operation Units: Duration/Work |
| Module | PM |
| SAP Package | INSC |
| Type | P |