**To list resources with at least one pending maintenance action** The following ``describe-pending-maintenance-actions`` example lists the pending maintenace action for a DB instance. :: aws rds describe-pending-maintenance-actions Output:: { "PendingMaintenanceActions": [ { "ResourceIdentifier": "arn:aws:rds:us-west-2:123456789012:cluster:global-db1-cl1", "PendingMaintenanceActionDetails": [ { "Action": "system-update", "Description": "Upgrade to Aurora PostgreSQL 2.4.2" } ] } ] } For more information, see `Maintaining a DB Instance <https://docs.aws.amazon.com/AmazonRDS/latest/UserGuide/USER_UpgradeDBInstance.Maintenance.html>`__ in the *Amazon RDS User Guide*.