As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** AFT CARGO BAY ON VERTICAL WEB BS 787 TO BS 807 STR 27R WL 150 / CORROSION EVALUATION ON ACB VERTICAL WEB BS787-807; STR27R. WAS FOUND TO BE OUT OF LIMITS; DUE TO PROXIMITY TO A HOLE PER SRM 53-60-15. REMOVED AND INSTALLED NEW ACB VERTICAL WEB BS787-807; STR27R. PER DWG 146A8130. AND SRM 51-40-02. 87713U 04FEB21