# Mine accident
> MSHA accident `220031060001` · 04/15/2003 · Monterey 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:** Exxon Mobil Corp
- **Operator:** Monterey Coal Company
- **Mine:** [1100726](https://api.ai-analytics.org/mine/1100726)
## Narrative

WHEN TESTED, THE BRAKES ON THE SLOPE HOIST BRAKE CAR WOULD NOT RELEASE. WHILE TROUBLE-SHOOTING, IT WAS FOUND THAT THE MIDDLE BRAKE ON THE SOUTH SIDE OF THE BRAKE CAR WOULD NOT RELEASE. THE BRA KE WAS ADJUSTED AND THE BRAKE PUT BACK INTO SERVICE AT 5:45 AM.

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