# FireHydrant: Major incident: On Call Schedules not loading

> Major incident: On Call Schedules not loading. Detected 2026-11-04 by Rewindex: what changed on FireHydrant’s status page, with the before/after diff.

Canonical: https://rewindex.com/change/i82e951fd0b9c23
Last updated: 2026-11-04T09:08:40Z

**Summary:** _summary pending_
- Kind: Major incident · Label: outage (model (Jev))
- Changed: 2026-03-18 12:21 UTC · Detected: 2026-11-04 09:08 UTC
- [Source: https://status.firehydrant.com/incidents/1051b2b9-c5be-41ed-bf7e-a5351e2b9e5a](https://status.firehydrant.com/incidents/1051b2b9-c5be-41ed-bf7e-a5351e2b9e5a)
- [Company: FireHydrant](https://rewindex.com/company/firehydrant.md)
- Versions: before (none: first archived) → after incident\_version:277/1051b2b9-c5be-41ed-bf7e-a5351e2b9e5a@e1561fca1a5e
- Change 1 of 1 for this incident

Incident page (full timeline): [On Call Schedules not loading](https://rewindex.com/company/firehydrant/incidents/1051b2b9-c5be-41ed-bf7e-a5351e2b9e5a.md)
## What changed

**1. Added: Title**

```diff
+ On Call Schedules not loading
```

**2. Added: Impact**

```diff
+ major
```

**3. Added: Status**

```diff
+ resolved
```

**4. Added: Start time**

```diff
+ 2026-03-18 12:21 UTC
```

**5. Added: Resolved time**

```diff
+ 2026-03-18 13:28 UTC
```

**6. Added: Update** (identified) · 2026-03-18 12:59 UTC

```diff
+ We've identified an issue with listing on-call schedules in our API due to timezone discrepancies related to a recent infrastructure upgrade. We're in the process of rolling this change back to restore this API endpoint's functionality. No on-call schedules have been lost or deleted and they remain available to page via Signals.
```

**7. Added: Update** (resolved) · 2026-03-18 13:26 UTC

```diff
+ We have rolled back a change and are starting to see oncall schedules loading. We are continuing to monitor progress. We can confirm no data has been lost
```

**8. Added: Update** (resolved) · 2026-03-18 13:28 UTC

```diff
+ We've finished rolling back our infrastructure change and on-call schedules should now return in our UI.
```

## History of this incident

| When (UTC) | Change | Label |
| --- | --- | --- |
| 2026-03-18 12:21 UTC | Major incident: On Call Schedules not loading (this change) | outage |

All FireHydrant changes: [timeline](https://rewindex.com/company/firehydrant/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._

## Cite this

Major incident: On Call Schedules not loading on FireHydrant’s status page, changed 2026-03-18 12:21 UTC (change 1 of 1).

- Canonical URL: https://rewindex.com/change/i82e951fd0b9c23
- Citation: FireHydrant, “Major incident: On Call Schedules not loading” (2026-03-18 12:21 UTC). Archived by Rewindex: https://rewindex.com/change/i82e951fd0b9c23 (CC BY 4.0).
- Markdown link: `[FireHydrant: Major incident: On Call Schedules not loading (2026-03-18)](https://rewindex.com/change/i82e951fd0b9c23)`


---
Canonical: https://rewindex.com/change/i82e951fd0b9c23 · Markdown: https://rewindex.com/change/i82e951fd0b9c23.md · JSON: https://rewindex.com/api/v1/changes/i82e951fd0b9c23 · Data licensed CC BY 4.0 (https://creativecommons.org/licenses/by/4.0/) · Generated 2026-11-04T15:19:37.047Z