# SLIP OR FALL OF PERSON
> MSHA accident `220040480073` · 01/31/2004 · St Lawrence Cement Llc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall onto or against objects
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 9 years
## Operator
- **Controller:** St Lawrence Cement LLC
- **Operator:** St Lawrence Cement Llc
- **Mine:** [1800019](https://api.ai-analytics.org/mine/1800019)
## Narrative

DURING ANNUAL MAINTENANCE, EMPLOYEE WAS WORKING IN COOLER. HE WAS GOING TO FILL HEATERS AND LOST FOOTING TRYING TO CROSS ACETYLENE LINES ON FLOOR. HE TRIPPED AND HIT KNEE ON UPPER LEDGE OF NEX T GRATE.

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