# HOISTING
> MSHA accident `220113250016` · 11/18/2011 · 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 ABB hoist power convertor kicked out and the hoistman could not reset the device. An electrician came over to trouble shoot the problem and found that a relay had dirty contacts. After resetting the power several times, the power kicked in and the hoist was functional. No damage occured to the system.

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