Solution : https://service.sap.com/sap/support/notes/677753 (SAP Service marketplace login required)
Key words : 
create repair items, incorrect 0tte condition, copy single items, system redetermines, service orders, called correctly, terms createitem, prc_pd_item_create_with_refm reason, side effect, complete document
Related Notes : 
       
| 666156 | Referenced conditions are lost when copied | 
| 486061 | How to get patches for CRM Internet Pricing Configurator |