# HOISTING
> MSHA accident `220063530001` · 12/13/2006 · Teck Cominco American Inc
## 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:** Teck Resources Limited
- **Operator:** Teck Cominco American Inc
- **Mine:** [4500366](https://api.ai-analytics.org/mine/4500366)
## Narrative

The 1085 hoist became inoperable due to a faulty relief valve.  Previously a new relief valve was installed and it did not seal itself correctly.  Hydraulic oil leaked around the valve and caused the system to overheat.  The valve was replaced and the system was operational.

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