# SLIP OR FALL OF PERSON
> MSHA accident `220101040026` · 03/29/2010 · BNI Coal, Ltd
## 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:** Getting on or off equipment
- **Injury source:** GROUND
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** KNEE/PATELLA
- **Days lost:** 3
- **Mine experience:** 1.13 years
## Operator
- **Controller:** Allete Inc
- **Operator:** BNI Coal, Ltd
- **Mine:** [3200218](https://api.ai-analytics.org/mine/3200218)
## Narrative

Mechanic was working on the A/C on a Motor Grader 16M he was he was stepping down of the machine and twisted his left knee. The mechanic continued to work for an addtional 30 min before he noticed any pain in his left knee. He notified his was supervisor and was taken to the doctor office and was told he had a sprained left knee.

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