# Firebolt: Engines may fail to start and stop

- Impact (vendor’s label): major
- Status: resolved
- Started: 2021-07-20 04:30 UTC · Resolved: 2021-07-20 08:50 UTC · Duration: 4.3 h
- Updates: 3 · Affected components: Engines, Firebolt Components - Engines
- [Vendor status page: https://stspg.io/9wxqg2rpml4x](https://stspg.io/9wxqg2rpml4x)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)

## Summary

Firebolt reported a major incident in which engines could fail to start or stop, beginning 2021-07-20 04:30 UTC and lasting 4 h 20 min. Firebolt attributed it to unidentified issues on AWS’s side and confirmed resolution there at 2021-07-20 08:50 UTC, restoring engine start/stop functionality. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2021-07-20 04:30 UTC: Engines may fail to start and stop due to unidentified issues on AWS side.
- **investigating** 2021-07-20 06:41 UTC: We are continuing to investigate this issue.
- **resolved** 2021-07-20 08:50 UTC: This incident has been resolved on AWS side. Engine start/stop is now functional.

## Rewindex changes for this incident

- 2021-07-20 04:30 UTC: [Major incident: Engines may fail to start and stop](https://rewindex.com/change/i87ca5dde3b1e6c.md)


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Canonical: https://rewindex.com/company/firebolt/incidents/3wqxc2sz6v8b · Markdown: https://rewindex.com/company/firebolt/incidents/3wqxc2sz6v8b.md · JSON: https://rewindex.com/api/v1/companies/firebolt/incidents/3wqxc2sz6v8b · Generated 2026-10-18T13:33:50.528Z