# HANDLING OF MATERIALS
> MSHA accident `220222270026` · 07/23/2022 · Teck Alaska Inc
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR 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,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** CHEST (RIBS/BREAST BONE/CHEST ORGNS)
- **Days lost:** 0
- **Mine experience:** 1 years
## Operator
- **Controller:** Teck Resources Limited
- **Operator:** Teck Alaska Inc
- **Mine:** [5001545](https://api.ai-analytics.org/mine/5001545)
## Narrative

Employee was repairing a multi-leaf overhead door.  Using the manual operating handle to raise the door to add counterweights, attempted to disengage and revert back into the motor drive position.  The door started to lower and the handle rotated and struck the employee in the chest.  

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