This incident has been resolved.
Jul 29, 19:59 BST
A fix has been deployed by AWS and we are monitoring the results.
Jul 29, 18:43 BST
AWS is still working on resolving this issue. Updates to follow.
Jul 29, 17:40 BST
We are continuing to work on a fix for this issue.
Jul 29, 15:51 BST
This incident is only affecting new deployments in us-east-1 for the Performance tier. We are continuing to work on a fix for this issue.
Jul 29, 14:57 BST
AWS is suffering from connectivity issues in a single Availability Zone in the US-EAST-1 region, which is affecting new database deployments in some cases. More info here => https://status.aws.amazon.com/
Jul 29, 14:52 BST