# MACHINERY
> MSHA accident `220082200026` · 08/01/2008 · Chevron Mining Inc
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck against a moving object
- **Occupation:** Drill operator
- **Activity:** Surface equipment, NEC
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** SPRAIN,STRAIN RUPT DISC
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 0
- **Mine experience:** 30.88 years
## Operator
- **Controller:** Chevron Corporation
- **Operator:** Chevron Mining Inc
- **Mine:** [4800086](https://api.ai-analytics.org/mine/4800086)
## Narrative

Employee was preparing to drill a hole in the overburden. When applying down pressure, the pressure regulator apparently did not work and created full down pressure on the drill steel. This action lifted the drill off its jacks causing the drill to tip over.

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