diff --git a/OpenAPI/TS28104_MdaNrm.yaml b/OpenAPI/TS28104_MdaNrm.yaml
index 2626a5bfe6ba9fe73e6825b633772222ec8e5d9c..7d64d784b33d9c73c2b4c886e6cf49a1293ba7ed 100644
--- a/OpenAPI/TS28104_MdaNrm.yaml
+++ b/OpenAPI/TS28104_MdaNrm.yaml
@@ -43,7 +43,9 @@ components:
         filterValue:
           type: string
         threshold:
-          $ref: '#/components/schemas/ThresholdInfo'
+          type: array
+          items:
+            $ref: '#/components/schemas/ThresholdInfo'
         analyticsPeriod:
           $ref: '#/components/schemas/AnalyticsSchedule'
         timeOut:
@@ -68,7 +70,9 @@ components:
         - type: object
           properties:
             areaScope:
-              $ref: 'TS28623_ComDefs.yaml#/components/schemas/GeoArea'
+              type: array
+              items:
+                $ref: 'TS28623_ComDefs.yaml#/components/schemas/GeoArea'
 
     AnalyticsSchedule:
       oneOf:
diff --git a/OpenAPI/TS28104_MdaReport.yaml b/OpenAPI/TS28104_MdaReport.yaml
index a01d21ff7283f3b8a311672aa005d9bf3031fd73..c9aa07770414d5979393894db8afbebd10a06e93 100644
--- a/OpenAPI/TS28104_MdaReport.yaml
+++ b/OpenAPI/TS28104_MdaReport.yaml
@@ -61,7 +61,9 @@ components:
                     mDAReportID:
                       type: string
                     mDAOutputs:
-                      $ref: '#/components/schemas/MDAOutputs'
+                      type: array
+                      items:
+                        $ref: '#/components/schemas/MDAOutputs'
                     mDARequestRef:
                       $ref: 'TS28623_ComDefs.yaml#/components/schemas/Dn'