Have you used and compared output of ldd (I think AIX equivalent is dump -H) ? You may have everything setup correctly to find dbmoraB2x but is everything that dbmoraB2 depends upon in the right place ?
Also are you aware that AIX has some peculiarities with regards shared libraries
http://4js.com/online_documentation/fjs-fgl-manual-html/#fgl-topics/c_fgl_installation_017.html ?
Reuben