# MACHINERY
> MSHA accident `220170580026` · 02/16/2017 · BYK Additives Inc.
## Details
- **Degree of injury:** DAYS RESTRICTED ACTIVITY ONLY
- **Classification:** MACHINERY
- **Accident type:** Struck by falling object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Surface equipment, NEC
- **Injury source:** MACHINE-MILL,CLEANING PLT
- **Nature of injury:** CONTUSN,BRUISE,INTAC SKIN
- **Body part:** FOREARM/ULNAR/RADIUS
- **Days lost:** 0
- **Mine experience:** 5.04 years
## Operator
- **Controller:** Altana Group (Germany)
- **Operator:** BYK Additives Inc.
- **Mine:** [4100298](https://api.ai-analytics.org/mine/4100298)
## Narrative

Two Maintenance mechanics were using an overhead crane to lower a mill down onto some metal cribbing for rebuild, when the lifting bolts failed and the mill fell approximately two feet to the Shop floor.  The mill struck one of the mechanic's left forearm, resulting in swollen and bruised forearm. 

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