# SLIP OR FALL OF PERSON
> MSHA accident `220073520020` · 12/04/2007 · Monterey Coal Company
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall down stairs
- **Occupation:** Bulldozer operator, Universal operator, Heavy equipment operator, Operating engineer
- **Activity:** Walking, Running
- **Injury source:** STAIRS,STEPS-OUTSIDE
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 17
- **Mine experience:** 29.58 years
## Operator
- **Controller:** Exxon Mobil Corp
- **Operator:** Monterey Coal Company
- **Mine:** [1100726](https://api.ai-analytics.org/mine/1100726)
## Narrative

Employee was walking down steps of trailer when he missed a step and came down hard on his left knee, causing pain in his knee.

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