If you're referring to Dec 7, it absolutely did. Metrics went down nearly across the board, which also means most auto-scaling setups were non-functional. Cloudfront metrics didn't properly recover until the next day

Logging in with root credentials was not possible in any region, and even logging in with IAM creds in other regions yielded an intermittently buggy console

and as is usual with us-east-1 outages management API calls were a complete crap shoot regardless of region