# OTHER
> MSHA accident `220241420022` · 05/13/2024 · Wolf Run Mining LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** OTHER
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** —
- **Mine experience:** — years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Wolf Run Mining LLC
- **Mine:** [4604168](https://api.ai-analytics.org/mine/4604168)
## Narrative

Main mine fan developed a vibration, steadily got worse. Leer South made the determination to shut if off and correct the issue. Inspected and found the bolts for the main fan motor loose, tightened and restarted the fan. down at 5:44pm Started fan back at 6:18pm.

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*Source: [MSHA Open Government Data](https://arlweb.msha.gov/OpenGovernmentData/) · AI Analytics · CC0 1.0*