jck_sfr_statuses
You can use the jck_sfr_statuses filter to manipulate the list of statuses available in Simple Feature Requests.
Example #1: Removing the Published and Under Review statuses
add_filter('jck_sfr_statuses', removeStatuses);
function removeStatuses( $statuses ) {
unset($statuses['publish']);
unset($statuses['under-review']);
return $statuses;
}