# SLIP OR FALL OF PERSON
> MSHA accident `220040750026` · 02/10/2004 · Tilden Mining Company L C
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Fall to lower level, NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** DOORS,INCL UG VENTILATION
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 85
- **Mine experience:** 31.73 years
## Operator
- **Controller:** U.S. Steel Canada; Cliffs Natural Resources Inc
- **Operator:** Tilden Mining Company L C
- **Mine:** [2000422](https://api.ai-analytics.org/mine/2000422)
## Narrative

While repairing fans above the tripper in the ore barn, ee stepped on a trap door. He fell through the trap door, skinning his shin and catching himself, straining his right shoulder. He returned to the job and sought medical care.

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