# MACHINERY
> MSHA accident `220082600031` · 07/11/2008 · Emerald Coal Resources LP
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Drilling
- **Injury source:** MOTORS
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** KNEE/PATELLA
- **Days lost:** 100
- **Mine experience:** 0.46 years
## Operator
- **Controller:** Foundation Coal Corporation
- **Operator:** Emerald Coal Resources LP
- **Mine:** [3605466](https://api.ai-analytics.org/mine/3605466)
## Narrative

While applying torque to a bolt, the drill chuck and motor fell off and hit him in the left knee, causing contusions to the left knee and left rib cage. He continued to work at his regular duties and eventually went to a physician. He was removed from work on 9/10/2008.

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