diff --git a/hb_server/apps/mtm/filters.py b/hb_server/apps/mtm/filters.py
index 6f6b28b..ca4c2dd 100644
--- a/hb_server/apps/mtm/filters.py
+++ b/hb_server/apps/mtm/filters.py
@@ -5,11 +5,11 @@ from apps.mtm.models import TechDoc
 
 
 class TechDocFilterset(filters.FilterSet):
-    # operation = filters.NumberFilter(method='filter_operation')
-    operation = filters.CharFilter(field_name="subproduction__subplan_subprod__ow_subplan__operation")
+    operation = filters.NumberFilter(method='filter_operation')
+    # operation = filters.CharFilter(field_name="subproduction__subplan_subprod__ow_subplan__operation")
     class Meta:
         model = TechDoc
         fields = ['subproduction', 'operation']
 
-    # def filter_operation(self, queryset, name, value):
-    #     return queryset.filter(subproduction__subplan_subprod__ow_subplan__operation=value)
+    def filter_operation(self, queryset, name, value):
+        return queryset.filter(subproduction__subplan_subprod__ow_subplan__operation=value).distinct()
diff --git a/hb_server/apps/qm/views.py b/hb_server/apps/qm/views.py
index beee64d..8b3b80e 100644
--- a/hb_server/apps/qm/views.py
+++ b/hb_server/apps/qm/views.py
@@ -50,7 +50,7 @@ class TestRecordViewSet(ListModelMixin, RetrieveModelMixin, GenericViewSet):
     perms_map = {'*': '*'}
     queryset = TestRecord.objects.select_related('fifo_item', 'form').all()
     serializer_class = TestRecordListSerializer
-    filterset_fields = ['wproduct', 'material', 'step', 'subproduction_plan', 'fifo_item', 'origin_test']
+    filterset_fields = ['wproduct', 'material', 'step', 'subproduction_plan', 'fifo_item', 'origin_test', 'type']
     ordering = ['-id']
 
     def get_serializer_class(self):