# MACHINERY
> MSHA accident `220172210029` · 08/02/2017 · United States Steel Corp-Minnesota Ore Operations
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** MACHINERY
- **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:** BLOCKING
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 9
- **Mine experience:** 6 years
## Operator
- **Controller:** USX Corp (United States Steel Corp)
- **Operator:** United States Steel Corp-Minnesota Ore Operations
- **Mine:** [2100282](https://api.ai-analytics.org/mine/2100282)
## Narrative

Two crusher MTMs were removing crusher arm shoulder blocks from the 52-01 crusher that weigh approximately 193 lbs. The EE moved 4 to 6 feet away from the shoulder block to the south west, when the final lift was going to be conducted. The shoulder block freed itself traveling at the EE in the south west corner of the primary pinning EE's hand against the primary wall. 

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