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Former Member

MFBF Related

I have 4 materials for which i am doing assembly backflush (131) but my stock is not getting updated i.e. on doing 131; qty of assembly is not getting increased but at the same time my components under it are getting consumed (261) and this is ultimately creating a variance????????

Why is this so?? Please let me know the reason behind this...

Also tell me the TCode which shows that whether we have done an assembly backflush or activity backflush or component backflush...If it exists; please tell...

Moreover please tell me that when we do reversal for an assembly; does it reverses all activities and components or only the assembly???

Answers shall be definitely rewarded


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2 Answers

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    Former Member
    Oct 08, 2007 at 08:07 AM

    Hi Vicky

    while carrying out MFBF have you ensured flagging "assembly Backflush"?

    check whether you are using reporting points ; if you do RP backflush then only GI and activity posting will take place and GR for assembly will not take place. only for final operation, GR will take place. so check while carrying out MFBF ensure "RP backflush is not flagged".

    check your control key assginment in Rate routing for Auto GR flagging.

    then check your REM profile assigned to the Assembly for MVT types and for GR at final reporting point flagging if you use RP.

    if all this are ok then GR should take place for sure.

    When you carry out the reversal, the full backflushing document (which acts as a bracket around all the individual documents) is flagged as reversed, along with the following data:

    The goods receipt is reversed and the accompanying material document and full backflushing document are indicated as cancelled.

    The goods issues for the components are reversed, that is, the component quantities are posted back.

    The activities are reversed.

    Depending on your settings in the repetitive manufacturing profile, the system proceeds as follows to cover the reversed quantities:

    The system either creates a planned order for the reversed quantity.

    Or, it activates a single-item planning run which creates a planned order that corresponds to the possibly changed planning situation.

    Or, the system does not create a planned order in which case the planner has to check the situation.

    The basic dates are determined for the newly created planned order.

    If you set the system to create an individual document for each backlog in the repetitive manufacturing profile, then the system deletes the corresponding individual documents and adjusts the quantity accordingly in the cumulative log document. Moreover, postprocessed backlog postings are reversed.

    The Logistics Information System is adjusted.

    In the separated backflush, the planned order is increased by the corresponding reversal quantity.

    In the separated backflush, the reversal of a goods receipt is no longer possible if the goods issue has already been carried out.

    Partial reversal with adjustment of individual components

    In some areas, for example, chemistry, it can make sense to backflush required quantities in advance, without naming specific quantities. The actual quantity used is only measured after production, using precise measuring equipment. The required quantity must be corrected afterwards.

    To do this, you can carry out a partial reversal with adjustment to individual components. In the initial screen for backflushing, choose Document-neutral reversal. The system automatically switches the movement type to the reversal movement type if you have made the corresponding settings in Customizing.

    hope this helps



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    • Former Member Former Member

      Hi vicky,

      That you can check with MF12. Access this report with Plant/material/Posting date ->in Document number coloum, u can find Processing Type letter like Z(RP back flush) , B. it will give type of backflush has been done for that material Number. For help press F1 by selecting letter.



  • avatar image
    Former Member
    Oct 08, 2007 at 07:53 AM


    when you do backflush, a document will be posted. you can see document in T.code MF12. By tracking this document Number u can see the Movement type through which material has posted.

    Do u mean to say, ur having 4 header material, it has some components, when you doing assembly backflush for each header material GR not done (131).

    please letus know are u getting any error message while doing backflush.

    please check your REM profile, GI bckflush at GR posting check box has been checked . and also check 131 movement type has been defined in Rem profile under the Movement type Tab.



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