# HANDTOOLS (NONPOWERED)
> MSHA accident `220230270006` · 01/07/2023 · Cornejo & Sons LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Over-exertion in wielding or throwing 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:** 1 years
## Operator
- **Controller:** Summit Materials LLC
- **Operator:** Cornejo & Sons LLC
- **Mine:** [1400543](https://api.ai-analytics.org/mine/1400543)
## Narrative

Employee was injured on 1/7/23 and was treated via first aid measures until 1/25/23 when they saw a specialist who then placed restrictions on their work. Employee was using a 3/4"" ratchet to loosen a tail-pulley nut. The ratchet slipped from the nut and caused the employees arm to jolt resulting in an injury to the shoulder.

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