EE CALLED UNION AGENT, TOLD HIM HAD NUMBNESS & WEAKNESS ON ONE SIDE OF THIS BODY. EE STATED THAT CURRENT INJ. WAS CONNECTED TO AN ACCIDENT OF 7/8/04 (AT THAT TIME EE WAS EXAMINED & RELEASED W/O TREATMENT). EE STATES THAT EQUIPMENT HE OPERATED 7/20/04 (NIGHT SHIFT) WAS NOT WORKING CORRECTLY & CONTRIBUTED TO HIS CURRENT PROBLEMS. EQUIP. CHECKED: UNABLE TO FIND PROBLEM.