Solution : https://service.sap.com/sap/support/notes/86114 (SAP Service marketplace login required)
Key words : 
additional key words component allocation, print report rcpdrk00, deliver incorrect allocations, missing phantom assembly, production order, prerequisites notes 82644, note describes, customer modification, temporary workaround, phantom assemblies
Related Notes : 
       
| 82644 | Component allocation of phantom assemblies (routing) |