# SLIP OR FALL OF PERSON
> MSHA accident `220102590018` · 09/14/2010 · Spencer Quarries Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to the walkway or working surface
- **Occupation:** Quality control technician, Laboratory technician, Laboratory assistant
- **Activity:** Machine maintenance
- **Injury source:** SCAFFOLDS,STAGING,ETC
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 0
- **Mine experience:** 5.5 years
## Operator
- **Controller:** Richard C  Sweetman
- **Operator:** Spencer Quarries Inc
- **Mine:** [3900024](https://api.ai-analytics.org/mine/3900024)
## Narrative

Employee was in mill tower on cat walk using safety harness and changing clips on conveyor belt. He unhooked harness to reposition himself and mis-stepped and failed to re-hook harness and fell, causing him to strike his side and cracking a rib.

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