# SLIP OR FALL OF PERSON
> MSHA accident `220112990024` · 10/19/2011 · Thompson Creek Mining Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 38
- **Mine experience:** 5.92 years
## Operator
- **Controller:** Thompson Creek Metals Co USA
- **Operator:** Thompson Creek Mining Company
- **Mine:** [1000531](https://api.morvs.ai/mine/1000531)
## Narrative

Mill mechanic was changing out the cyclone pack distributor cap by opening the victalic clamp.  The mechanic lost his balance and sprained his knee.

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