# MACHINERY
> MSHA accident `220231520001` · 05/26/2023 · Mountain Coal Company, L.L.C.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** CHAIN,ROPE,CABLE-NT CONVY
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** FACE, MULTIPLE PARTS
- **Days lost:** 45
- **Mine experience:** 5.92 years
## Operator
- **Controller:** Arch Resources Inc
- **Operator:** Mountain Coal Company, L.L.C.
- **Mine:** [0503672](https://api.ai-analytics.org/mine/0503672)
## Narrative

EE TRYING TO STRAIGHTEN BUMPER ON TR-11 USING CHAIN, 20TON HYDRAULIC JACK.  EE USING ROSE BUD TRYING TO HEAT REAR BUMPER TO STRAIGHTEN.  CHAIN UNDER TENSION BROKE, CHAIN HIT EE IN FACE/MOUTH.  EE FELL BACKWARDS LOST CONSCIOUSNESS, STRUCK BACK OF HEAD.

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