Incident date: 2020-04-07
NAICS industry code: 333120

An employee was on the back of a digger derrick, prepping the unit for an endurance test. The employee was using a torque wrench to remove bolts for analysis. As the employee was applying force, the socket slipped from the bolt resulting in a loss of balance. The employee fell 4' 7" from the back of the truck onto the ground. The employee landed on both feet and sustained a broken left ankle that required surgery.

Hazard classification:
code_event: title: Other fall to lower level less than 6 feet
code_source: title: Truck-motorized freight hauling and utility, n.e.c
code_nature: title: Fractures
code_body: title: Ankle(s)
severity: moderate