As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
RUDDER BALANCE ARM CASTING (MPN 173A5101) ON THE RUDDER ASSY. HAS PITTING CORROSION ON TOP L/H SIDE. / REMOVED AND REPLACED RUDDER PER M/M 27-21-11. REFERENCE NON-ROUTINE #G503885 FOR RUDDER REMOVAL; REPLACEMENT AND ALL WORK PERFORMED.