# Mine accident
> MSHA accident `220030150001` · 01/10/2003 · 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

AN ELECTRICAL PROBLEM OCCURRED WITH THE SLOPE BRAKE CAR THAT PREVENTED IT FROM OPERATING PROPERLY. TWO ELECTRICAL RELAYS IN THE ""DOWN"" CIRCUIT WERE FOUND TO BE DEFECTIVE AND WERE REPLACED. THE SLOPE BRAKE CAR WAS REPAIRED AND PLACED BACK INTO SERVICE AT 6:15 PM.

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