# SLIP OR FALL OF PERSON
> MSHA accident `220020360040` · 01/21/2002 · Blake Sand & Gravel Inc
## 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:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** CONVEYORS,NEC
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** KNEE/PATELLA
- **Days lost:** 49
- **Mine experience:** 12 years
## Operator
- **Controller:** David A  Blake
- **Operator:** Blake Sand & Gravel Inc
- **Mine:** [4500581](https://api.ai-analytics.org/mine/4500581)
## Narrative

EMPLOYEE SLIPPED AND FELL WHILE ADJUSTING A TAIL PULLEY ON A CONVEYOR. HE LANDED ON HIS KNEE ON THE HOPPER OF ANOTHER CONVEYOR.

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