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In few organizations, while performing Major Maintenance work/Shut down Maintenance work / TPM- Total Productive Maintenance work  user deals with more number of Maintenance operations including all departments like Mechanical & Electrical etc... in one Maintenance Order.
It will be very lengthy job for maintenance engineer who is confirming all these operations against maintenance order in SAP using transaction IW41.This document may help “Maintenance Department” users to reduce the time of confirmation activities by day end by using “Mile stone control key” functionality.


Here i cam up with a small example of “Quarterly Maintenance of Centrifugal Pump” for better understanding of this functionality.


To set up this functionality:


Create control keys for “Internal Maintenance Activities” as CK01: Plant maintenance – internal & CK02: Plant maintenance – internal (Milestone).


CK01: Plant maintenance – internal



CK02: Plant maintenance – internal (Milestone)


After performing above configuration steps , assign these two control keys in a TASK LIST.

Now assign both Mechanical and Electrical maintenance operations in TASK LIST of “Quarterly Maintenance of Centrifugal Pump

Here assign all the operations to be performed at shop floor with CK01 control key.And assign the CK02 control key as a Mile stone activity in task list.

For Mile stone Control key assign the “Total duration of respective department operations” as shown in.

Mechanical Works:

Electrical works:


Now create a maintenance order for the “Quarterly Maintenance of Centrifugal Pump” and assign the task list which is created with “Mile stone control key“.

Now while confirming this Maintenance order using transaction IW41, system will only pull the”Two operations” having control key “CK02”  for confirmation.

Hope this will help many Maintenance engineers, who are feeling tough job of confirming More operations in a single Maintenance Order.


PardhaSaradhi Reddy.C

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