# MACHINERY
> MSHA accident `220033140007` · 10/28/2003 · Alcoa World Alumina LLC
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Laborer, Blacksmith, Bull gang, Parts runner, Roustabout, Pick-up man, Pitman
- **Activity:** Hand tools (powered)
- **Injury source:** CAVING ROCK,COAL,ORE,WSTE
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** MULTIPLE PARTS (MORE THAN ONE MAJOR)
- **Days lost:** 0
- **Mine experience:** 8 years
## Operator
- **Controller:** Alcoa Inc
- **Operator:** Alcoa World Alumina LLC
- **Mine:** [4100320](https://api.morvs.ai/mine/4100320)
## Narrative

A LOOSE PIECE OF SCALE ESTIMATED TO WEIGH 200 TO 250 LBS FELL 2 FEET FROM THE SPIRAL WALL OF THE AREA 31 F3 FLASH TANK. THE SCALE FELL DUE TO VIBRATION CREATED WHILE REMOVING SCALE WITH A 15 LB CHICAGO PNEUMATIC HAMMER GUN. SCALE STRUCK EE ON LEFT SHOULDER AND BACK. RT ELBOW STRUCK TANK WALL ON IMPACT.

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