As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MCN - MAJOR REPAIR - NR 5923026 - DURING BC4 CHECK DISCOVERED LEVEL 2 CORROSION ON SHEAR PLATE BETWEEN FR 69 AND FR 70 ON THE RT SIDE AT BL 55 AND Y-1292. NO CORROSION REMOVAL LIMITS WERE FOUND IN THE SRM. MAINTENANCE REMOVED AND INSTALLED NEW SHEAR PLATE AT FR 69 TO FR 70 ON THE RT SIDE AT BL 55 AND Y-1292.