The module /usr/lib/python2.6/site-packages/audit.py tries to load _audit.so in its own directory, but on 64bit system it is installed in /usr/lib64/python2.6/site-packages/_audit.so. This prevents, for example, system-config-audit from loading on x86_64.
audit-1.7.12-4.fc10 has been submitted as an update for Fedora 10. http://admin.fedoraproject.org/updates/audit-1.7.12-4.fc10
*** Bug 485613 has been marked as a duplicate of this bug. ***
audit-1.7.12-4.fc10 has been pushed to the Fedora 10 testing repository. If problems still persist, please make note of it in this bug report. If you want to test the update, you can install it with su -c 'yum --enablerepo=updates-testing update audit'. You can provide feedback for this update here: http://admin.fedoraproject.org/updates/F10/FEDORA-2009-3384
audit-1.7.12-4.fc10 has been pushed to the Fedora 10 stable repository. If problems still persist, please make note of it in this bug report.