Index: trunk/grails-app/domain/MaintenanceAction.groovy
===================================================================
--- trunk/grails-app/domain/MaintenanceAction.groovy	(revision 809)
+++ trunk/grails-app/domain/MaintenanceAction.groovy	(revision 811)
@@ -25,7 +25,7 @@
         section(nullable:true)
         asset(nullable:true)
-        assetSubItem(nullable:true)
+        assetSubItem()
         maintenancePolicy(nullable:true)
-        procedureStepNumber(nullable:true)
+        procedureStepNumber()
         description(blank:false,maxSize:100)
         pageRef(maxSize:25)