# HOISTING
> MSHA accident `220213480026` · 12/14/2021 · U S Gypsum 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:** USG Corporation
- **Operator:** U S Gypsum Company
- **Mine:** [1200427](https://api.ai-analytics.org/mine/1200427)
## Narrative

Escape hoist had an interlock for down stop preventing the hoist from normal operation. The hoist had tripped the magnetic down stop switch at the mining level but did not return back to the normal position when the cage went back to the surface.

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