# HANDLING OF MATERIALS
> MSHA accident `220230390020` · 09/15/2022 · United States Steel Corp-Minnesota Ore Operations
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Walking, Running
- **Injury source:** MISCELLANEOUS,NEC
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 0
- **Mine experience:** 18 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

The injured employee smelled smoke and informed management. After changing clothes, the employee returned to the 3rd floor and noticed an active fire in the counter shaft area of the 082-07-1 crusher. The employee ran and grabbed an extinguisher to put out the fire. The employee noted right knee pain later that day. THIS BECAME A RECORDABLE ON 2/1/23 WHEN THE EMPLOYEE HAD SURGERY

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