As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
EMPENNAGE RT SIDE, AFTER APU INLET CLEAN UP FOUND CORROSION ON THE NUTPLATE ANGLE BS 1790 - 1795 AT STRINGER 3. CORROSION REMOVED AND FOUND OUT OF LIMIT IAW SRM 53-80-08 FIG 101 DETAIL IV REV 113. CORRODED ANGLE REMOVED AND A NEW ANGLE FABRICATED IAW DWG 148N3141 SHT 1 REV B AND INSTALLED DWG 148N3105 SHT 1 REV C. REPAIR CLASSIFIED MAJOR IAW GMM 6-2-100.