# SLIP OR FALL OF PERSON
> MSHA accident `220180530022` · 02/14/2018 · Thunder Basin Coal Company 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:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 8
- **Mine experience:** 0.17 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

The injured employee was sprayed by pressurized hydraulic oil during the removal of a sensor. The release of the pressure caused EE to move rapidly and had struck the ground. Injuries were sustained to face and hand.

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