As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING 100 HOUR INSPECTION MECHANIC DISCOVER THAT THE LOWER LEFT CORNER OF THE LOWER RUDDER HINGE SUPPORT TOWER HAD A CRACK. EVIDENCED BY LINE OF BROWN RUST RESIDUE VISIBLE AGAINST THE BLACK PAINT, AND ADJACENT TO THE WELD. PART WAS REPLACED.