# SLIP OR FALL OF PERSON
> MSHA accident `220250790013` · 03/18/2025 · Knife River
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Crusher attendant/operator, Pan feeder operator/worker
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** MULTIPLE INJURIES
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 0
- **Mine experience:** 9 years
## Operator
- **Controller:** Knife River Corporation
- **Operator:** Knife River
- **Mine:** [0405140](https://api.ai-analytics.org/mine/0405140)
## Narrative

Miner was working on top of a water tank that was approx. 7' tall. Miner was removing an Air Compressor that inserts pressure into the water tank. As miner proceeded to remove it, the compressor suddenly propelled forward with enough force to strike miner on the face and chest area. Miner fell sideways to the ground hurting right leg.

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