As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON UPPER AND LOWER SURFACE OF SHEAR TIE ANGLE ON BS787 S27R. CORRODED SHEAR TIE ANGLE ON STA 787 STR 27R REPLACED WITH MADE REPAIR PART MAT IDENTIFIED IAW SRM REV 116 SECTION 53-60-07 FIG MADE REPAIR PART FABRICATED IAW SAME SRM SECTION 51-30-01 FIG 7 AND INSTALLED WITH RIVETS IAW SECTION 51-40-02.