# SLIP OR FALL OF PERSON
> MSHA accident `220122630022` · 09/07/2012 · Rawhide Mine LLC
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Ledgeman/hand, Quarry man
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 39
- **Mine experience:** 1.31 years
## Operator
- **Controller:** Rawhide Acquisition Holding LLC
- **Operator:** Rawhide Mine LLC
- **Mine:** [2601030](https://api.ai-analytics.org/mine/2601030)
## Narrative

Operator was descending the access steps/ladder of an articulating haul truck. When his right foot reached the bottom rung, his right knee hyper-extended and he fell to the ground. This miner had a history of problems with his right knee including hyper-extending it in 2009. Miner experienced a bone chip that will need to be removed by surgery.

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