After a maintenance order is technically completed, the responsible person can perform the following operations1:
Lock or unlock the order: This prevents or allows further changes to the order data, such as actual costs, settlement rule, or confirmation data.
Change the settlement rule: This allows the responsible person to adjust the distribution of costs to the relevant receivers, such as cost centers, assets, or orders.
Post goods movements: This allows the responsible person to record the consumption or return of materials that were used for the maintenance work.
Enter measurement documents: This allows the responsible person to record the measurement readings of the technical objects that were maintained.
The responsible person cannot perform the following operations after a maintenance order is technically completed1:
Update the estimated costs: This is only possible before the order is released or during the execution phase.
Change the planned costs: This is only possible before the order is released or during the execution phase.
Change the order type: This is only possible before the order is released.
Change the order status: This is only possible before the order is technically completed or after it is reversed.
Therefore, the correct answers are A and C. Reference: 1: Maintenance Order Types | SAP Help Portal