# FALL OF ROOF OR BACK
> MSHA accident `220201640017` · 06/04/2020 · Allegheny Metallurgical, LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** FALL OF ROOF OR BACK
- **Accident type:** Struck by falling object
- **Occupation:** Laborer, Bull gang, Faceman, Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Underground equipment, NEC
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** ARM,NEC
- **Days lost:** 0
- **Mine experience:** 0.44 years
## Operator
- **Controller:** American Metals & Coal International Inc.; POSCO-NCR Coal Ltd; JAZ Ventu
- **Operator:** Allegheny Metallurgical, LLC
- **Mine:** [4609447](https://api.ai-analytics.org/mine/4609447)
## Narrative

Employee was in the process of changing steel for jack Leg Drill, when a piece of rock broke loose in front of support jacks and fell from top striking employee in left arm, causing laceration

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