# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220122550009` · 09/04/2012 · Peabody Bear Run Mining LLC
## Details
- **Degree of injury:** NO DYS AWY FRM WRK,NO RSTR ACT
- **Classification:** EXPLODING VESSELS UNDER PRESSURE
- **Accident type:** Struck by flying object
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Machine maintenance
- **Injury source:** RBR,GLS,PLSTC,FIBRGLS,FAB
- **Nature of injury:** CUT,LACER,PUNCT-OPN WOUND
- **Body part:** NOSE/NASAL PASSAGES/SINUS/SMELL
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Peabody Energy Corporation
- **Operator:** Peabody Bear Run Mining LLC
- **Mine:** [1202422](https://api.ai-analytics.org/mine/1202422)
## Narrative

Fire Service Technician was disabling the Fire Suppression System. Ansul check valve was installed improperly, arrow pointing improper direction not allowing pressure to release. He loosened the top actuator nut causing the pressure to release thru the plastic on the Pro Activating Devise actuator which fragmented causing laceration to the technician's nose.

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