# Firebolt: Major incident: Engines may fail to start or stop

**Summary:** Firebolt reported a major incident in which engines could fail to start or stop, beginning 2021-04-18 10:49 UTC and resolved at 2021-04-18 11:10 UTC, with a reported duration of 20 min. Firebolt said it identified the issue and was implementing a fix, but provided no cause or fix details. _(machine-written, sol)_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2021-04-18 10:49 UTC · Detected: 2026-10-17 18:22 UTC
- [Source: https://stspg.io/z72ghg4jwk51](https://stspg.io/z72ghg4jwk51)
- [Company: Firebolt](https://rewindex.com/company/firebolt.md)
- Versions: before (none: first archived) → after incident\_version:147/r1qtv61kqqww@60bdc0ea285a
- Change 1 of 1 for this incident

## What changed

**1. Added: Title**

```diff
+ Engines may fail to start or stop
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2021-04-18 10:49 UTC
```

**5. Added: Resolved time**

```diff
+ 2021-04-18 11:10 UTC
```

**6. Added: Affected components**

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

**7. Added: Update** (identified) · 2021-04-18 10:49 UTC

```diff
+ The issue has been identified and a fix is being implemented.
```

**8. Added: Update** (resolved) · 2021-04-18 11:10 UTC

```diff
+ This incident has been resolved.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2021-04-18 10:49 UTC | Major incident: Engines may fail to start or stop (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/i66f206a7c627ea · Markdown: https://rewindex.com/change/i66f206a7c627ea.md · JSON: https://rewindex.com/api/v1/changes/i66f206a7c627ea · Generated 2026-10-18T02:55:20.356Z