# HANDTOOLS (NONPOWERED)
> MSHA accident `220122140028` · 07/27/2012 · Mettiki Coal WV, LLC 
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDTOOLS (NONPOWERED)
- **Accident type:** Struck by flying object
- **Occupation:** Laborer, Bull gang,  Parts runner, Roustabout, Roof trimmer/scaler
- **Activity:** Hand tools (not powered)
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** KNEE/PATELLA
- **Days lost:** 115
- **Mine experience:** 0.06 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Mettiki Coal WV, LLC 
- **Mine:** [4609028](https://api.ai-analytics.org/mine/4609028)
## Narrative

Crew was installing additional 4"" line to tie into the existing 6"" air line, when they were unable to loosen the 2"" and the 3"" coupler from the ball reducer they started to remove the 6"" coupler. As the second bolt was loosened, the coupler blew off striking the employee in the left knee.

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