Between 6:35 AM and 11:00 AM PDT we experienced increased error rates for new instance launches in the US-EAST-1 Region. Existing instances were unaffected by this issue. By 9:05 AM, we had full recovery in use1-az5. By 10:20 AM, we had full recovery in use1-az6, and at 11:00 AM we had recovered the final Availability Zone, use1-az2. The issue has been resolved and the service is operating normally.