For operation subcontracting in production order:
Option 1:
1) In Control key PP02 enable sub contract.
2) In Order type dependent parameter T code OPL8 enable reservation / PR creation after release/confirmation - 3
3) Create Info record T code ME 20 only for vendor no material combination. (You are not going to issue material for the vendor through SAP) system will not allow through ME2O since it is operation subcontract.
4) Run MRP it will not create PR directly since the it is enable in OPL8 only after release.
5) Do the In house operation then confirm the in house operation in CO11. Once the previous operation is confirmed PR is generated automatically.
6) Then Convert PR to P.O. In purchase order only operation description will appear. since no component is assigned. And the order type will be F.
7) Then make separate DC (Gate pass). Consult your MM guy for this.
8) If any component is assigned to the operation. Do stock transfer to Vendor storage location till such time it comes to factory again.
9) While return from vendor do MIGO against the P.O and it will come settle in prod order.
10) Payment to the vendor is through service record entry concept. Consult MM gut for this.
Option 2:
1) You have to create separate material master for that operation. Treating that it will be a different material.
2) Create Vendor master with Material and Vendor combination.
2) Create BOM with header material and this material as item for the header.
3) Create Routing for the header material with only one operation with control key PP02.
4) Assign the item material to this operation.
5) Run MRP this will create PR automatically. Then convert PR to PO.
6) Send material to the vendor through ME 2O
7) Do GR MIGO the item will come have header material and it will automatically update in unrestricted stock.
8) Payment to the vendor will be with different not as service entry concept consult MM guy for this.
