# Major tears to muscles, tendons, ligaments at Falcon EFS Flowhand Services
> OSHA SIR `2017065274` · 6/9/2017 · OMEGA, OKLAHOMA
## Severity
- **1 hospitalization**
- **Body part:** Knee(s)
- **Nature of injury:** Major tears to muscles, tendons, ligaments
## Cause
- **Event:** Struck by dislodged flying object, particle
- **Source:** Valves, nozzles
- **Secondary source:** Oil drilling rigs and machinery
## Employer
- **Name:** Falcon EFS Flowhand Services
- **Location:** LP-Privott 17_20_16N_9W  1HX, OMEGA, OKLAHOMA, 73764
- **NAICS:** 213112
- **Jurisdiction:** 1
## Narrative

An employee was opening the first of two plug valves on a blow-down line when a threaded nipple on the de-sander dislodged, causing the iron with the plug valves to strike him. He suffered a 2-inch laceration to the left knee, a small face laceration, a torn MCL in the right knee, and right shoulder tenderness.

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*Source: [OSHA Severe Injury Reports](https://www.osha.gov/severe-injury-reports) · MORVS · CC0 1.0*