# SLIP OR FALL OF PERSON
> MSHA accident `220120190030` · 01/18/2012 · Holcim (US) Incorporated
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** FLOOR,WALKING SURF-NOT UG
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** LOWER LEG/TIBIA/FIBULA
- **Days lost:** 66
- **Mine experience:** 34.67 years
## Operator
- **Controller:** Holcim Ltd
- **Operator:** Holcim (US) Incorporated
- **Mine:** [2400014](https://api.ai-analytics.org/mine/2400014)
## Narrative

Employee was torquing head liner bolts on the raw mill. As employee was torquing the ratchet come loose causing employee to loose his balance. As employee step back to catch his balance he rolled his ankle and his lower leg absorbed all the weight, fracturing his lower leg.

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