# SLIP OR FALL OF PERSON
> MSHA accident `220093490032` · 12/12/2009 · Badger Mining Corporation
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall from machine
- **Occupation:** Assistant mine foreman, Assistant mine manager
- **Activity:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** ARM,NEC
- **Days lost:** 0
- **Mine experience:** 23 years
## Operator
- **Controller:** Timothy J  Wuest
- **Operator:** Badger Mining Corporation
- **Mine:** [4701184](https://api.ai-analytics.org/mine/4701184)
## Narrative

The 345D excavator was low on hydraulic oil and needed to be topped off.    While attempting to remove the Hyd. oil cap (which was on very tight) with a ratchet wrench the ratchet wrench malunctioned. The momentum of the slipped wrench caused the associate to fall backwards to the ground on a rocky surface. This resulted in the asociate breaking the bone in his left arm

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