# MACHINERY
> MSHA accident `220100430033` · 02/02/2010 · Martin Marietta Materials, Inc.
## Details
- **Degree of injury:** ACCIDENT ONLY
- **Classification:** MACHINERY
- **Accident type:** Accident type, without injuries
- **Occupation:** —
- **Activity:** —
- **Injury source:** —
- **Nature of injury:** —
- **Body part:** —
- **Days lost:** 0
- **Mine experience:** — years
## Operator
- **Controller:** Martin Marietta Materials Inc
- **Operator:** Martin Marietta Materials, Inc.
- **Mine:** [3300156](https://api.ai-analytics.org/mine/3300156)
## Narrative

A loud noise originated from the area of the coal fan for #5 kiln. Upon inspection, it was determined that 13 out of 42 housing bolts had failed on the fan housing. There were no injuries and no fire as a result of this event. MSHA was notified at 6:52 a.m.

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