# SLIP OR FALL OF PERSON
> MSHA accident `220140150031` · 10/22/2013 · TXI Operations LP
## Details
- **Degree of injury:** DAYS AWAY FROM WORK ONLY
- **Classification:** SLIP OR FALL OF PERSON
- **Accident type:** Over-exertion NEC
- **Occupation:** Maintenance man, Mechanic,  Repair/Serviceman, Boilermaker, Fueler, Tire tech, Field service tech
- **Activity:** Hand tools (powered)
- **Injury source:** SURFACE MINING MACHINES
- **Nature of injury:** UNCLASSIFIED,NOT DETERMED
- **Body part:** SHOULDERS (COLLARBONE/CLAVICLE/SCAPULA)
- **Days lost:** 172
- **Mine experience:** 7.08 years
## Operator
- **Controller:** Texas Industries Inc
- **Operator:** TXI Operations LP
- **Mine:** [4100007](https://api.ai-analytics.org/mine/4100007)
## Narrative

EE was replacing bad bolts in the SB-920. He was using an air impact to tighten new bolts, while in the process of tightening a bolt an old bolt popped loose hitting him on his right ear. When the bolt hit him on the ear he lost his footing and tried to catch himself with his left arm. He said when he caught himself he twisted his left arm and wrist.

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