# HOISTING
> MSHA accident `220113490028` · 12/15/2011 · 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:** 0
- **Mine experience:** — years
## Operator
- **Controller:** USG Corporation
- **Operator:** U S Gypsum Company
- **Mine:** [1200427](https://api.ai-analytics.org/mine/1200427)
## Narrative

The main shaft hoist power kicked out after the second man trip was 20' below surface level. The electricians and programmers found that 3 electrical contacts were bad in 2 emergency stop switches. Once replaced, the hoist was fully operational.

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