Solution : https://service.sap.com/sap/support/notes/158774 (SAP Service marketplace login required)
Key words : 
iso8859-9                        x------------------------------------------------------------------------hp_ux          es, correct turkish case mapping, special case mapping rules, operating                                            problemsystem    language    locale, iso88597                x------------------------------------------------------------------------reliantunix, 88595            x------------------------------------------------------------------------aix          en, abap source code, abap program rscp0020, ibm competence center, oss customer problem
Related Notes : 
       
| 1375438 | Globalization Collection Note | 
| 1319517 | Unicode Collection Note | 
| 1078295 | Incomplete to upper cases in old code pages | 
| 178430 | toupper for non latin-1 locales fixed on AIX 4.3.3. | 
| 95474 | Matchcode with special characters on ReliantUNIX | 
| 85363 | Database Scan Tool for basis release < 6.20 | 
| 39718 | setlocale on AIX and table TCP0C | 
| 39309 | setlocale on Digital UNIX (OSF/1) and table TCP0C | 
| 39048 | abap/locale_ctype for AIX 4.1, tr_TR |