Here we would like to draw your attention to OQN3 transaction code in SAP. As we know it is being used in the SAP QM (Quality Management) module. OQN3 is a transaction code used for Maint. prio. types for notif. types in SAP.
It comes under the package QI.
Transaction OQN3 technical data table
|Purpose||Maint. prio. types for notif. types|