Index: NVDataMgmt.c
===================================================================
diff -u -rbdcb684d0519521e50bbc44e6ac276d4d851825e -r716106c52a6d64a85ca1072286fa8c821612323a
--- NVDataMgmt.c	(.../NVDataMgmt.c)	(revision bdcb684d0519521e50bbc44e6ac276d4d851825e)
+++ NVDataMgmt.c	(.../NVDataMgmt.c)	(revision 716106c52a6d64a85ca1072286fa8c821612323a)
@@ -3422,6 +3422,14 @@
 
         activateAlarmNoData( ALARM_ID_HD_INVALID_SYSTEM_RECORD_CRC );
     }
+    else
+    {
+        // Check if the first character of the serial number is not empty space. If it is, trigger the alarm
+        if ( RECORD_DEFAULT_CHARACTER == hdSystemGroup.hdsystemRecord.topLevelSN[ 0 ] )
+        {
+            activateAlarmNoData( ALARM_ID_HD_INVALID_SERIAL_NUMBER );
+        }
+    }
 
     return status;
 }