Solution : https://service.sap.com/sap/support/notes/1053906 (SAP Service marketplace login required)
Key words : 
lead selection  node_root = wd_context->get_child_node, lead selection  elem_root = node_root->get_element, itob-equnr     importing      ev_equipmentnumber =   lv_equi_int, single attribute  elem_root->get_attribute, replace eventhandler onactionchange_user_status data, select webdynpro component rplm_mt_die_comp, stru_root                          type if_install=>element_root, lv_equi_int type itob-equnr, view replace onactionchange_user_status data, select event handler onactionchange_user_status
Related Notes : 
       
| 1046863 | SAP ERP 2005 SP Stack 09 (05/2007) Release Information Note |