# HOISTING
> MSHA accident `220143650013` · 12/23/2014 · Compass Minerals Louisiana Inc.
## 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:** Compass Minerals International, Inc.
- **Operator:** Compass Minerals Louisiana Inc.
- **Mine:** [1600358](https://api.ai-analytics.org/mine/1600358)
## Narrative

A mechanic improperly chocked both weight brakes prior to bleeding the brake system to do maintenance work. This caused the brakes to fail allowing the  south skip to descended and the north skip to rise into the crash beams in the head frame. This severely damaged both skips and some of the head frame structural steel.

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