Solution : https://service.sap.com/sap/support/notes/92841 (SAP Service marketplace login required)
Key words : 
additional key words mf50, set scheduling strategy '3', -house production time = 0, material requirements planning, order finish date, repetitive manufacturing table, repetitive manufacturing, planned order, 'forward/backward', adjusted correctly
Related Notes : 
       
| 107004 | Repet.manufactrng:ordr finish date one day too late | 
| 46237 | Consulting: determination of the order dates |