# SLIP OR FALL OF PERSON
> MSHA accident `220100250013` · 01/12/2010 · Hecla Limited
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from piled material
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Climb in piled material
- **Injury source:** MINE FLOOR,BOTTOM,FOOTWAL
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 4.5 years
## Operator
- **Controller:** Hecla Mining Company
- **Operator:** Hecla Limited
- **Mine:** [1000088](https://api.ai-analytics.org/mine/1000088)
## Narrative

The mechanic stepped onto several wooden blocks to reach a water valve. The blocks rolled and the mechanic fell and twisted his knee. A MRI of the mechanics knee showed a tear of a ligament in his knee and he was placed on restricted duty.

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