# SLIP OR FALL OF PERSON
> MSHA accident `220251420009` · 05/13/2025 · Heidelberg Materials US Cement LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Plumber, Pipefitter, Millwright
- **Activity:** Walking, Running
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 33
- **Mine experience:** 11.85 years
## Operator
- **Controller:** Heidelberg Materials AG
- **Operator:** Heidelberg Materials US Cement LLC
- **Mine:** [1300095](https://api.ai-analytics.org/mine/1300095)
## Narrative

Shift repair was working on the ""small mills"" FK pump to repair an air leak.  While walking from the repair truck to the west side of the FK pump, they tripped on uneven floor plates and fell hitting their right knee. Employee was taken to the emergency room and was diagnosed with a fractured right patella (kneecap).

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