# SLIP OR FALL OF PERSON
> MSHA accident `220033090024` · 10/31/2003 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 6.46 years
## Operator
- **Controller:** Ashland Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

EE WAS WALKING ON THE WALKWAY BETWEEN THE CHANGE HOUSE AND THE TRUCK SHOP PRIOR TO THE START OF THE SHIFT. THE WALKWAY WAS SLICK. HE SLIPPED AND FELL INJURING HIS LEFT KNEE. HE WAS DIAGNOSED W ITH A POSSIBLE TORN QUADRICEPS MUSCLE IN THE LEFT KNEE. HE WAS PLACED IN A LEG BRACE, LIMITING THE RANGE OF MOTION AND RETURNED TO HIS NORMAL DUTIES THE SAME DAY.

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