diff --git a/yang-models/_3gpp-common-fm.yang b/yang-models/_3gpp-common-fm.yang
index c0c1a8d08f3bba416701ab65ffd3c8fe53fbe1a8..223ea0033e5a50a5a854fbcdefe6038eaa11141a 100755
--- a/yang-models/_3gpp-common-fm.yang
+++ b/yang-models/_3gpp-common-fm.yang
@@ -16,6 +16,10 @@ module _3gpp-common-fm {
     TTA, TTC). All rights reserved.";
   reference "3GPP TS 28.111";
 
+  revision 2024-05-12 { 
+    description "The definition of the module was from TS 28.623 to TS 28.111";
+    reference CR-0008 ; 
+  } 
   revision 2024-03-06 { reference CR-0333 ; } 
   revision 2024-02-24 { reference CR-0346; } 
   revision 2024-01-18 {
@@ -94,6 +98,36 @@ module _3gpp-common-fm {
     description "The possible alarm severities";
   }
 
+  grouping AlarmCommentGrp {
+    leaf commentTime {
+      type yang:date-and-time;
+      config false;
+      mandatory true;
+      description "Date and Time the comment was created.";
+    }
+
+    leaf commentUserId {
+      type string;
+      mandatory true;
+      description "It carries the identification of the user who made the
+        comment.";
+    }
+
+    leaf commentSystemId {
+      type string;
+      mandatory true;
+      description "It carries the identification of the system (
+        Management System) from which the comment is made. That system
+        supports the user that made the comment.";
+    }
+
+    leaf commentText {
+      type string;
+      mandatory true;
+      description "It carries the textual comment.";
+    }
+  }
+
   grouping AlarmRecordGrp {
     description "Contains alarm information of an alarmed object instance.
       A new record is created in the alarm list when an alarmed object
@@ -347,6 +381,16 @@ module _3gpp-common-fm {
       yext3gpp:notNotifyable;
     }
 
+    list comments {
+      yext3gpp:inVariant;
+      yext3gpp:notNotifyable;
+      description "List of comments and data about the comments.";
+      key idx;
+      leaf idx { type uint32; }
+
+      uses AlarmCommentGrp;
+    }
+
     leaf ackTime  {
       if-feature AcknowledgeByConsumer;
       type yang:date-and-time ;
@@ -432,7 +476,7 @@ module _3gpp-common-fm {
         type types3gpp:DistinguishedName;
       }
       
-      leaf-list notificationId {
+      leaf-list notificationIds {
         type int32;
         min-elements 1;
       }
@@ -480,6 +524,21 @@ module _3gpp-common-fm {
       yext3gpp:notNotifyable;
       uses AlarmRecordGrp;
     }
+
+    leaf-list unreliableAlarmScope {
+      type types3gpp:DistinguishedName;
+      config false;
+      yext3gpp:notNotifyable;
+      description "Identifies, the part of the alarm scope that may not be 
+        reliable.
+
+        If this parameter is equal to the instance carried in systemDN, 
+        then all AlarmRecord instances in the AlarmList may not be reliable.
+
+        If this parameter is equal to some instance represented by 
+        MonitoredEntity, then only AlarmRecord related to this instance and 
+        its descendants may not be reliable.";
+    }
   }
 
   grouping FmSubtree {
@@ -514,4 +573,4 @@ module _3gpp-common-fm {
     }
   }
 
-}
\ No newline at end of file
+}