Amazon has reported availability issues for Amazon S3 AWS services and customer applications depending on S3 will continue to experience high error rates and Amazon is actively working to remediate the errors.
UPDATE: Amazon is fully recovered for operations for adding new objects in S3, which was their last operation showing a high error rate. The Amazon S3 service is now operating normally.
The dashboard has recovered. You will see updates for individual services shortly.
— Amazon Web Services (@awscloud) February 28, 2017