# HOISTING
> MSHA accident `220192250006` · 08/05/2019 · Resolution Copper Mining LLC
## 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:** RTZ Corp  PLC; BHP Billiton PLC
- **Operator:** Resolution Copper Mining LLC
- **Mine:** [0200152](https://api.ai-analytics.org/mine/0200152)
## Narrative

The #9 Service Hoist had a #1 motor tachometer failure that resulted in the loss of the hoist operation. There were no miners underground when this occurred. The Hoist was out of service for approximately 4.5 hours.

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