Solution : https://service.sap.com/sap/support/notes/1055826 (SAP Service marketplace login required)
Key words : 
transport objects r3tr vdat/r3tr cdat, set  limu dynp zxx 1000, component bc-cts-tls, import damages function groups, buffer synchronization problemstable entries, abap data dictionary maintenance, r3trans executes incomplete import, importing maintenance views, support requires access, imported objects/data
Related Notes : 
       
| 1469610 | Fehlende ABAP-Programme nach "Downtime minimized import" | 
| 1318878 | Incomplete transport of deletions | 
| 1247020 | OTR: Texts are not transported | 
| 1126164 | Transporting inactive translations/Switch Framework | 
| 1039228 | R3trans executes incomplete import | 
| 888595 | R3trans deletes too much data during the import | 
| 853479 | Duplication of tp import with umode 1 where ctc=true | 
| 564992 | Deleted table entries after a language import | 
| 531761 | R3trans: No import of LIMU COMM | 
| 489868 | Import damages function groups and deletes screens | 
| 450605 | MSSQL/ADABAS: incomplete export of ABAP classes | 
| 402375 | Buffer synchronization of VARIS during transport | 
| 337224 | R3trans: No deletion in language-specific table | 
| 333525 | R3trans: Transport with % in key deletes too many entries | 
| 106764 | Synch. during transport: Overview (as of Release 4.0) |