# HOISTING
> MSHA accident `220012690015` · 09/21/2001 · 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

DURING ROUTINE INSPECTION OF THE EMERGENCY AIR SHAFT CONVEYANCE HOIST, IT WAS DISCOVERED THAT THE EMERGENCY BRAKE RELASE WITCH WAS OUT OF ADJUSTMENT AND ROPE SLACK DEVICE WAS TRIPPED, RENDERIN G THE HOIST INOPERABLE.

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