UNITED STATES
DEPARTMENT OF LABOR

At 12:42 p.m. on January 13, 2022, an employee was performing maintenance on an automobile while using a Swing Air Jack. An automobile was driven onto a Hunter L401 Four-Post Lift. The Hunter L401 Four-Post Lift was utilized to raise the a utomobile in the air. The Hunter L401 Four-Post Lift was equipped with a Hunter Swing Air Jack (Model # CTN-1688X, Serial number JZB986). An employee, a servi ce technician, engaged the Swing Air Jack in order to elevate the rear back tire s of the automobile above and off of the Four-Post Lift. When the employee enga ged the hydraulics to raise the automobile with the Swing Air Jack, the Swing Ai r Jack unexpectedly released horizontally and toward the employee, who was struc k in the face with the Swing Air Jack. The employee was rendered unconscious an d transferred via ambulance to Advocate Christ Medical Center in Oak Lawn, IL, w here the employee was admitted for treatment for a concussion, brain bleed, and broken facial bones.