# Firebolt: Major incident: Engines failing to start in us-east-1

**Summary:** Firebolt reported a major outage affecting engine provisioning and startups in us-east-1 from 2022-04-19 15:18 UTC to 2022-04-19 18:04 UTC, lasting 2 h 45 min. Customers were told not to stop or restart existing engines. Firebolt attributed the disruption to an AWS issue; after its resolution, startups and restarts were permitted again, with stuck engines expected to start shortly. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2022-04-19 15:18 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/4lfyd1j1xl0w](https://stspg.io/4lfyd1j1xl0w)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)
- Versions: before (none: first archived) → after incident\_version:147/dqcsmlxyqmkp@f25e0d79c53b
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Engines failing to start in us-east-1
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2022-04-19 15:18 UTC
```

**5. Added: Resolved time**

```diff
+ 2022-04-19 18:04 UTC
```

**6. Added: Affected components**

```diff
+ Engines, Firebolt Components - Engines
```

**7. Added: Update** (investigating) · 2022-04-19 15:18 UTC

```diff
+ Hello - we are experiencing issues provisioning engines in us-east-1. Please do not stop/restart existing engines during this time. We are actively investigating and will update with an ETA on the fix shortly.
```

**8. Added: Update** (monitoring) · 2022-04-19 15:46 UTC

```diff
+ AWS has issued a message as of 8:39am PDT stating they are having issues with all engines in us-east-1 and have identified and are working to fix the root of the issue. We will continue to monitor the AWS event and ensure we are operational asap.
```

**9. Added: Update** (resolved) · 2022-04-19 18:04 UTC

```diff
+ The AWS issue has been resolved and any engine that was stuck will start up shortly. You may execute engine start ups and restarts in us-east-1 again. We appreciate your patience on this issue.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2022-04-19 15:18 UTC | Major incident: Engines failing to start in us-east-1 (this change) | outage |

All Firebolt changes: [timeline](https://rewindex.com/company/firebolt/changes.md)
_Diff excerpts are shown on normalized text: dates, counters and tokens appear as ‹date›, ‹count›, ‹tok›; noise-only edits are hidden. Rewindex shows the changed passages, not a copy of the page._


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Canonical: https://rewindex.com/change/i111c23b0255acf · Markdown: https://rewindex.com/change/i111c23b0255acf.md · JSON: https://rewindex.com/api/v1/changes/i111c23b0255acf · Generated 2026-10-18T02:55:09.798Z