# HANDLING OF MATERIALS
> MSHA accident `220031670033` · 06/06/2003 · 3M Company
## Details
- **Degree of injury:** DYS AWY FRM WRK & RESTRCTD ACT
- **Classification:** HANDLING OF MATERIALS
- **Accident type:** Struck by... NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** METAL COVERS & GUARDS
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** HAND (NOT WRIST OR FINGERS)
- **Days lost:** 1
- **Mine experience:** 1.88 years
## Operator
- **Controller:** Minnesota Mining & Manufacturing Company
- **Operator:** 3M Company
- **Mine:** [0300426](https://api.ai-analytics.org/mine/0300426)
## Narrative

BOTTOM DOOR ON A LOADED RAPID DISCHARGE AIR DUMP RAILCAR WAS STUCK IN CLOSED POSITION. THE EE INSPECTING THE CONDITION OF THE DISCHARGE PISTON PLACED HIS RIGHT-HAND ON THE END OF THE PISTON SH AFT. THE DOOR INADVERTENTLY OPENED WITH SUFFICIENT FORCE BREAKING ONE BONE OF THE RIGHT-HAND BELOW THE LITTLE FINGER NEAR THE WRIST.

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