As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CRACKS FOUND ADJACENT TO UPPER HINGE BRACKET ATTACH HOLES ON RUDDER SPAR. FOUR CRACKS FOUND, EACH BETWEEN .7500 INCH AND 1 INCH LONG. ONE WAS VISIBLE, OTHERS FOUND USING DYE PENTRANT. CRACKS CANNOT BE SEEN WITHOUT REMOVAL OF THE HINGE BRACKET.