# SLIP OR FALL OF PERSON
> MSHA accident `220043170007` · 10/29/2004 · Argos Puerto Rico Corp
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall down stairs
- **Occupation:** Prep plant foreman, Supervisor, Mill plant supervisor, Kiln supervisor
- **Activity:** Walking, Running
- **Injury source:** STEPS
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** LEG, NEC
- **Days lost:** 3
- **Mine experience:** 0.23 years
## Operator
- **Controller:** Italcementi Spa
- **Operator:** Argos Puerto Rico Corp
- **Mine:** [5400120](https://api.ai-analytics.org/mine/5400120)
## Narrative

Plant Foreman was doing his routine shift walk around. On his way down thru the rear stairs from the control room to the clinker storage silos, one of the stair treads broke loose causing the employee to lose his balance; his right leg went thru the opening and he felt frontward, hitting his right knee on the next tread. Employee suffered a muscle sprain and mild knee contusion.

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