Solution : https://service.sap.com/sap/support/notes/83997 (SAP Service marketplace login required)
Key words : 
0a language import additional key words language import, car -xvf <path>/fixes/l31h06, 0a language importlast modified, instanceprofile parameter zcsa/installed_languages, job saplanguage-import-job-3, handling language-dependent textswithin, import transport request sapkl31h06, restartedafter maintaining table tcpdb, language import determines, language import searches
Related Notes : 
       
| 123235 | Language installation after patch import | 
| 91692 | Additional Info: Upgrading to 4.0A | 
| 86062 | Additional Info: Upgrading to 4.0A DB2/400 | 
| 18601 | Frequently asked questions on language transport |