Incident date: 2019-08-08
NAICS industry code: 541330

An employee was performing maintenance on a drill rig when a chain coupler dislodged and struck the employee's lower back. The employee suffered fractured discs and bruising to the lower back.

Hazard classification:
code_event: title: Struck by dislodged flying object, particle
code_source: title: Clamps, couplings
code_nature: title: Fractures
code_body: title: Lumbar region
severity: moderate