# MACHINERY
> MSHA accident `220021230072` · 04/24/2002 · Warrior Coal LLC
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** MACHINERY
- **Accident type:** Over-exertion NEC
- **Occupation:** Roof bolter, Rock bolter,  Pinner, Mobile roof support operator (MRS)
- **Activity:** Roof bolter, Inserting bolt
- **Injury source:** UNDERGRD MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 2
- **Mine experience:** 0.34 years
## Operator
- **Controller:** Alliance Resource Partners LP
- **Operator:** Warrior Coal LLC
- **Mine:** [1517216](https://api.ai-analytics.org/mine/1517216)
## Narrative

EE HAD INSTALLED A ROOF BOLT WITH A G350/3 GOPHER BOLTER AND WHEN HE LET THE AIR OFF TO RETRACT THE LEG THE BOLTER SLIPPED FROM HIS GRIP. HE REACHED OUT TO GRAB THE LEG AS IT WAS FALLING AND T HE WEIGHT AND MOMENTUM OF THE MACHINE PULLED HIS LEFT SHOULDER OUT OF POSITION CAUSING STRAINED TENDONS IN HIS LEFT SHOULDER.

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