# Firebolt: Engines may fail to start and stop

- Impact (vendor’s label): major
- Status: resolved
- Started: 2021-12-07 15:58 UTC · Resolved: 2021-12-08 07:57 UTC · Duration: 16 h
- Updates: 4 · Affected components: Engines, Firebolt Components - Engines, AWS - AWS ec2-us-east-1, AWS ec2-us-east-1
- [Vendor status page: https://stspg.io/spjqn4myg8md](https://stspg.io/spjqn4myg8md)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)

## Summary

Firebolt reported a major incident in which engines could fail to start and stop in AWS us-east-1, starting 2021-12-07 15:58 UTC and lasting 15 h 59 min. Firebolt attributed it to partial AWS issues; the incident was resolved at 2021-12-08 07:57 UTC, with engines fully operational. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2021-12-07 15:58 UTC: Engines may fail to start and stop due to partial issues on AWS us-east-1 region.
- **investigating** 2021-12-07 15:59 UTC: We are continuing to investigate this issue.
- **identified** 2021-12-07 16:57 UTC: The issue has been identified on AWS side. Waiting for recovery.
- **resolved** 2021-12-08 07:57 UTC: The incident has been resolved. Engines are fully operational.

## Rewindex changes for this incident

- 2021-12-07 15:58 UTC: [Major incident: Engines may fail to start and stop](https://rewindex.com/change/i18a91e433769ed.md)


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Canonical: https://rewindex.com/company/firebolt/incidents/781z5t8pk7lz · Markdown: https://rewindex.com/company/firebolt/incidents/781z5t8pk7lz.md · JSON: https://rewindex.com/api/v1/companies/firebolt/incidents/781z5t8pk7lz · Generated 2026-10-18T09:52:44.810Z