As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** AFT CARGO DOOR LOWER THRESHOLD BS 787+7 TO BS 847 RBL 26 WL 159 / AFTER EVALUATION OF AFT CARGO DOOR LOWER THRESHOLD WEB BS 787+7 TO BS 847 RBL 26 WL 159 FOUND TO BE OUT OF LIMITS IAW SRM 53-60-15-1A-1 FIG 103 DETAIL 'D' REMOVED AND REPLACED THRESHOLD WEB IAW SRM 51-40-02-0G-0 AND DWG 146A8340