# HOISTING
> MSHA accident `220142480031` · 08/21/2014 · Lyons Salt Company
## 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:** Peter E  Powell
- **Operator:** Lyons Salt Company
- **Mine:** [1400413](https://api.ai-analytics.org/mine/1400413)
## Narrative

Maintenance had been done to the north skip, West Safety Dog Shaft the evening of 8/20/14. Around 8:30am on 8/21 the SW Safety dog from the north skip came off of the skip. Plastic bushing liners on the shaft had migrated out of position and the set screws had come loose on the safety dog. The dog hit a guide mounting plate and damaged the plate and guide before coming off the skip

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