# HOISTING
> MSHA accident `220232360004` · 08/15/2023 · Wolf Run Mining LLC
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** HOISTING
- **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

During the time that the main mine elevator was down, while testing the brakeman car it was discovered that there was a faulty wheel speed sensor. The elevator became operational before the brake car was repaired. Later the brakeman car was repaired and put back into service. There were no injuries involved during this incident. 

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