diff --git a/OpenAPI/TS28111_FaultNrm.yaml b/OpenAPI/TS28111_FaultNrm.yaml
index c82b1b97ab2e2d16e09be9420089365f4ba68e89..e5c4920965a9b9619c2847d0905090d5c4315142 100644
--- a/OpenAPI/TS28111_FaultNrm.yaml
+++ b/OpenAPI/TS28111_FaultNrm.yaml
@@ -312,6 +312,8 @@ components:
               $ref: '#/components/schemas/AlarmType'
             probableCause:
               $ref: '#/components/schemas/ProbableCause'
+            specificProblem:
+              $ref: '#/components/schemas/SpecificProblem'
             perceivedSeverity:
               $ref: '#/components/schemas/PerceivedSeverity'
             correlatedNotifications: