Processing of ABAP List-Based PI Sheets 
When accessing a PI sheet in the R/3 System, you have the following options:
In both cases, you can decide whether you want to display or maintain the PI sheet. Your choice of processing types depends on your authorizations and the functions you want to carry out. You will find information on the functions you can carry out in the subsequent sections.
For an overview of the PI sheet elements relevant to the individual processing steps, see
Overview Screen of a PI Sheet - Graphic.Display Mode
In the display mode, you can display all the data available in the PI sheet but you cannot change it. The following functions are available in this mode:
Printing PI Sheets Scrolling Within a PI Sheet Displaying Notes Displaying of Data to Be Reported Displaying of Inspection Results Displaying of CommentsChange Mode
In change mode, you can display and edit data in the PI sheet. In the case of unplanned events, you can also change the original setup of the PI sheet. You can use all the functions available in the display mode as well as the following:
Functions Carried Out by the Process Operator During Normal Processing
Recording of Actual Process Data Calculating of Values Reporting of Data Recording of Inspection Results Calling a Function Entering of Comments Displaying of Logs Locating of Process Instructions in the PI Sheet Saving of PI Sheets Setting the PI Sheet Status to "Complete"Functions Needed in the Case of Errors and Unplanned Events
Changing of Control Information in the PI Sheet Canceling of Order ConfirmationsCanceling of Material Documents
Activating/Deactivating of Process Instructions in the PI Sheet
Setting the PI Sheet Status to "Technically Complete"
In general, the functions described here are not used by the process operator but by the person responsible for planning your production processes.
You need a special authorization to carry out these transactions.
PI Sheet Maintenance Completed
Once you have completed maintaining the PI sheet, you can delete it if the following requirements are met: