# HANDLING OF MATERIALS
> MSHA accident `220241730009` · 06/11/2024 · Thunder Basin Coal Company LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Caught in, under or between a moving and a stationary object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** CRUSHING
- **Body part:** FINGER(S)/THUMB
- **Days lost:** 0
- **Mine experience:** 1.69 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Thunder Basin Coal Company LLC
- **Mine:** [4800977](https://api.ai-analytics.org/mine/4800977)
## Narrative

Employee was getting a chain into position around body retaining pin to aid in pulling a lower strut pin. While holding the body retaining pin up placing chain into position, the pin slipped out of their hand. When pin fell it pinched their middle and ring finger of left hand between body retaining pin and differential housing.

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