# Mine accident
> MSHA accident `220033530036` · 12/08/2003 · McElroy Coal Company
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** —
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** CONSOL Energy Inc
- **Operator:** McElroy Coal Company
- **Mine:** [4601437](https://api.ai-analytics.org/mine/4601437)
## Narrative

ONE OR MORE OF THE SOLENOID VALVES ON THE BRAKING SYSTEM WERE NOT CLOSING PROPERLY. BOTH THE MECHANICAL AND HYDRAULIC SYSTEMS WERE CHECKED. THE PROBLEM WAS FOUND TO BE ELECTRICAL, POSSIBLY A LOOSE CONNECTION. THE HOIST WAS DOWN FOR APPROX 16 HOURS.

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