Solution : https://service.sap.com/sap/support/notes/69460 (SAP Service marketplace login required)
Key words : 
subcontracting inventory monitoring list, additional key words subcontracting, special stock indicator, special stock, project stock, transaction me2o, report rm06ellb, sales order, goods receipt, ordered part
Related Notes : 
       
| 190610 | MB1B: Component proposal sales order stock | 
| 68908 | Subcontract ordrs, assigned to individual custmers |