Check if BADI IWO1_SCREEN_MODIFY Field Content and Display Modification is helpful or no .. , you can also look at the option to Lock the MO for some time ..
Another option maybe to try and hide the tabs completely in IW32 for non-authorised personnel. This could probably be done via the Enhancement Framework.
That way they would need to go to IW33 to view the data.
I would also consider opening an OSS Message to SAP to see what they recommend.
Interesting scenario..I would want to be able to add components and operations so that i could adjust the order for current situation, instead of creating a new order for the same. You will have to do some custom development to accomplish this.I don't think there is any standard way or through User status to control this.
For components you could use CNEX0026 Maintenance order: General check for material, to raise a message when adding or changing components after order has been released.Since this is called immediately from the screen flow logic its would probably be very easy to prevent additions or changes.
You will have to use the user exit on save of PM order IWO10009 Maintenance order: Customer check for "Saving" to check for operation changes or additions.This would be okay..if you are looking to compare specific fields like hrs and work center. However,It might get ugly/tedious if we need to compare all the fields like service items etc.You could also use the BADI mentioned above for this.
If you are in ECC 6.0, you could probably look at using implicit enhancements to tweak the field selection values dynamically for operations/Components screen (You probably have to do this for all the operation screens) to imitate the TECO status (Thereby making the entire screen to be in display mode), when the PM Order is actually in released status.This would probably be the easiest way to prevent additions and changes to the operation screen.
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