# HANDTOOLS (NONPOWERED)
> MSHA accident `220231210027` · 04/17/2023 · United States Steel Corp-Minnesota Ore Operations
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in pulling or pushing objects
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (not powered)
- **Injury source:** WRENCH
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 9.23 years
## Operator
- **Controller:** USX Corp (United States Steel Corp)
- **Operator:** United States Steel Corp-Minnesota Ore Operations
- **Mine:** [2100820](https://api.ai-analytics.org/mine/2100820)
## Narrative

Employee was working on the 3A Fan tightening bearing cap bolts with a 3/4"" drive ratchet and was using a pulling motion. Later in the shift the employee felt pain in their right shoulder. ** Additional information - A 1/2 inch adaptor was used with the ratchet to tighten bolts. This adaptor failed while the injured was tightening bolts. This occurred twice.**.

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