# Lightstep (ServiceNow Cloud Observability): Major incident: app.lightstep.com was intermittently unavailable

**Summary:** _summary pending_
## Part of an outage event

- [AWS outage, Sep 18, 2023: 29 vendors, 29 incidents](https://rewindex.com/events/2023-09-18-aws)
- This incident started in the same window without naming AWS (timing only, not evidence of a link). (timing only, posted +2 h 14 min vs the first vendor naming AWS)

```mermaid
flowchart LR
  root["AWS<br/>own incident not archived"]:::inferred
  h1["Within an hour<br/>3 vendors, 1 blamed AWS<br/>Dagster, Snowflake, Vanta"]:::blames
  root --> h1
  h4["1 to 4 hours later<br/>7 vendors, 5 blamed AWS<br/>Amplitude, Temporal Cloud, Coralogix, Confluent +3"]:::blames
  root --> h4
  me["Lightstep (ServiceNow Cloud Observability) (this incident)<br/>posted +2 h 14 min"]:::me
  root -.->|"same window"| me
```

_Detected automatically from incidents that started together and named the same provider; a link means one incident named another vendor, not a confirmed cause._

- Kind: Major incident · Label: major (vendor)
- Changed: 2023-09-18 20:21 UTC · Detected: 2026-10-19 18:33 UTC
- [Source: https://stspg.io/v4ntf3qnnvsv](https://stspg.io/v4ntf3qnnvsv)
- [Company: Lightstep (ServiceNow Cloud Observability)](https://rewindex.com/company/lightstep.md)
- Versions: before (none: first archived) → after incident\_version:742/x6x782dkxqgj@515a12ebadab
- Change 1 of 1 for this incident

Incident page (full timeline): [app.lightstep.com was intermittently unavailable](https://rewindex.com/company/lightstep/incidents/x6x782dkxqgj.md)
## What changed

**1. Added: Title**

```diff
+ app.lightstep.com was intermittently unavailable
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2023-09-18 20:21 UTC
```

**5. Added: Resolved time**

```diff
+ 2023-09-19 09:01 UTC
```

**6. Added: Affected components**

```diff
+ Observability - Web UI - Change Intelligence, Observability - Web UI - Dashboards, Observability - Web UI - Explorer, Observability - Web UI - Logs Search, Observability - Web UI - Notebooks, Observability - Web UI - Service Directory, US - Change Intelligence, US - Dashboards, US - Explorer, US - Logs Search, US - Notebooks, US - Service Directory
```

**7. Added: Update** (monitoring) · 2023-09-18 20:21 UTC

```diff
+ A fix was implemented and we are monitoring. The outage lasted approximately 10 minutes.
```

**8. Added: Update** (resolved) · 2023-09-19 09:01 UTC

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

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2023-09-18 20:21 UTC | Major incident: app.lightstep.com was intermittently unavailable (this change) | major |

All Lightstep (ServiceNow Cloud Observability) changes: [timeline](https://rewindex.com/company/lightstep/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._


---
Canonical: https://rewindex.com/change/i980b68545e4877 · Markdown: https://rewindex.com/change/i980b68545e4877.md · JSON: https://rewindex.com/api/v1/changes/i980b68545e4877 · Generated 2026-10-20T00:48:44.720Z