# SLIP OR FALL OF PERSON
> MSHA accident `220012910033` · 10/11/2001 · United States Gypsum Company
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** —
- **Mine experience:** 16.73 years
## Operator
- **Controller:** USG Corporation
- **Operator:** United States Gypsum Company
- **Mine:** [3400266](https://api.ai-analytics.org/mine/3400266)
## Narrative

THE INJURED EMPLOYEE AND CO-WORKER WEREIN THE PROCESS OR REPAIRING A D11 DOZER THAT HAD BROKEN DOWN IN #2 PIT. A FINAL DRIVE WAS BROUGHT IN BY FLATBED TRAILER. USING A BOOM TRUCK, THE FINAL DR IVE WAS REMOVED, POSITIONED AT THE END OF THE TRAILER, AND BLOCKED TO PREVENT SIDE-TO-SIDE MOTION. AS THE CO-WORKER STEPPED OFF, HE FELL TO THE GROUND, LANDING IN UNEVEN AREA.

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