As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A ROUTINE INSPECTION, NOTED THAT THE STROBE LIGHTS WOULD REMAIN ON AFTER THE SWITCH WAS SELECTED OFF. TROUBLESHOOTING REVEALED THE SWITCH TO BE DEFECTIVE. REMOVED SWITCH AND DISASSEMBLED AND IT WAS FOUND THAT THE SOLDIER JOINT HOLDING THE BRAIDED WIRE WAS BROKEN AND WELDED ITS SELF TO THE LINE POST. SWITCH WAS REPLACED IAW AD2008-13-17 IN MAY 2009.