# SurveyMonkey: TURF and Empirical Bayes not working on MaxDiff surveys

- Impact (vendor’s label): major
- Status: resolved
- Started: 2026-04-24 08:40 UTC · Resolved: 2026-04-24 14:45 UTC · Duration: 6.1 h
- Updates: 2 · Affected components: SurveyMonkey
- [Vendor status page: https://stspg.io/v84fdpzw79yb](https://stspg.io/v84fdpzw79yb)
- [Company: SurveyMonkey](https://rewindex.com/company/surveymonkey.md)

## Summary

TURF and Empirical Bayes were not working on MaxDiff surveys in a major-impact SurveyMonkey incident that started at 2026-04-24 08:40 UTC. The incident lasted 6 h 4 min and was resolved at 2026-04-24 14:45 UTC; no cause or specific fix was stated. _(machine-written, sol)_
## Timeline of updates

- **investigating** 2026-04-24 08:40 UTC: We are currently investigating this issue.
- **resolved** 2026-04-24 14:45 UTC: This incident has been resolved.

## Rewindex changes for this incident

- 2026-04-24 08:40 UTC: [Major incident: TURF and Empirical Bayes not working on MaxDiff surveys](https://rewindex.com/change/i1cb44a31d8d18c.md)


---
Canonical: https://rewindex.com/company/surveymonkey/incidents/tp8yfx409r12 · Markdown: https://rewindex.com/company/surveymonkey/incidents/tp8yfx409r12.md · JSON: https://rewindex.com/api/v1/companies/surveymonkey/incidents/tp8yfx409r12 · Generated 2026-10-18T09:38:47.280Z