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Use alternate component whenever available

I have what I believe to be a situation that is not uncommon, but I cannot find satisfactory answers on SAP support.

My business reclaims components by tearing down old, used finished goods our customers have scrapped back to us. These are put into stock on 531 material movements on a production order dedicated to reclaim operations. These parts are called "R-parts" because they have an R at the end. E.g.: a brand new part order from a supplier has part number 123456; the same physical component reclaimed from an old finished good has part number 123456R. R-parts are not included in any way in any BOM, and must be manually added to production orders when their use is desired.

We are seeking a way to configure SAP such that:

1) When an R-part version of a dependent requirement is in stock, SAP will draw from that stock until 0, and then...

2) When R-part stock hits 0, SAP begins placing requirements on standard part number, and completes planning runs (e.g. PlOrds & PurReqs) only on the new component, BUT...

3) doesn't involve us having to go back and add R-parts to every BOM.

I have learned much about maintaining discontinuation data both in BOMs and MM, but this appears only feasible if we update all BOMs to incorporate R-parts, which is a daunting task for the number of part numbers we have. I have also looked at alternative item groups/strategy in BOMs, but still requires massive BOM overhaul and also I do not believe runs MRP the way I describe above.

Am I incorrect about any of the above? Any options I am missing? Is what we desire even possible without modifying BOMs?

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1 Answer

  • Posted on Feb 15, 2017 at 11:33 PM

    If you had used split valuation instead of extra material numbers then it was certainly easier.

    Split valuation means that you have just 1 material with multiple accounting views, 1 per valuation type . So you would use a valuation type for NEWPART and one for R-PART

    In combination with stock determination you could then define that R-PARTs are first withdrawn before NEWPARTS are used.

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