It was reported that the light had no control.A stryker field service technician (sfst) was dispatched for investigation.During investigation the sfst noticed there was a gap between the top arm and bottom arm was large.The sfst removed the endo light from the suspension and saw that spanner nut and snap ring was missing from the suspension assembly.The spanner nut and snap ring missing was allowing the suspension arm to separate.Without this spanner nut and/or snap ring at the bottom of the suspension assembly the lower suspension arm began to disengage from the central shaft.The sfst repaired the unit and returned it to service.There was no injury or adverse consequence to the patient/user.
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