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Material posting

Pls. explain how reservation no. is triggered in case of PM orders for material procurement from Stores.As in my case we are not using it.Our MM people transfer stock to the respective storage location through MB1B.After that consumption is done on PM orders.

There is another T-Code CO27 i.e picking list which comes into picture as I understand for consumption of same material on the orderIs it so?. Pls. explain the relation between the two.What is itu2019s utility.

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2 Answers

  • Posted on May 07, 2011 at 10:23 PM

    To get Reservation Number in a Maintennce Order

    In the 'components' tab of a maint. order, after entering the material line items, when you click on the pushbutton 'Gen.Data' at the Bottom left, you will be taken to the screen containing Reservation number.

    you have to provide this reservation number to the Stores, so that the store keeper would issue the materials through MIGO (Goods Issue, Reservation with Mov Type 261)

    This way materials are consumed against a particular job on an Equipment.


    Jogeswara Rao

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  • author's profile photo Former Member
    Former Member
    Posted on May 09, 2011 at 04:52 AM


    Generally in companies, there would be one central store & separate store (optional) for Maintenance Purpose. Monthly wise, PM store will receive the materials from Central store (Based on presumed consumption).

    For that, transfer posting from one storage location / plant to another storage location / plant, this transaction will be used.

    But as a SAP practice, components will be assigned to the operations in Maintenance Order. If that is stock item, Reservation will be created. As some component can be used by different departments like PM, production, etc., & these components are issued from Central warehouse, central store keeper would keep track of material reservation & qty required for near future.

    So based on the reservation, he can come to know how much is reserved & how much is available with store. In case, its getting low below the safety stock, then he will plan for the qty.

    Also GI can be done based on Reservation.

    CO27 is pick list transaction used for Production Order types.



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