# EXPLODING VESSELS UNDER PRESSURE
> MSHA accident `220261030027` · 04/05/2026 · Harrison County Coal Resources, Inc.
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** EXPLODING VESSELS UNDER PRESSURE
- **Accident type:** Struck by flying object
- **Occupation:** Master mechanic, Foreman, Supervisor
- **Activity:** Machine maintenance
- **Injury source:** METAL,NEC(PIPE,WIRE,NAIL)
- **Nature of injury:** FRACTURE,CHIP
- **Body part:** ANKLE
- **Days lost:** —
- **Mine experience:** 6.23 years
## Operator
- **Controller:** ACNR Holdings, Inc
- **Operator:** Harrison County Coal Resources, Inc.
- **Mine:** [4601318](https://api.ai-analytics.org/mine/4601318)
## Narrative

Injured employee was cleaning belt water sprays in a spray bar. They brushed against a fire tap at the location they were working, between the top & bottom belt. When they backed out of the belt and stood up, the fire tap valve suddenly blew off the 8"" waterline coupler and struck their left ankle, breaking it. Accident caused by a failure at the coupler tee due to corrosion.

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