As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
**CORROSION** (ACB) INTERCOSTAL HAS CORROSION ON LOWER SURFACE AROUND NUTPLATES B.S.787-847; RBL19; WL154. / DAMAGE EVALUATION ON ACB SUB-THRESHOLD WEB BS 787-847 RBL 19 WL 154 WAS FOUND TO BE OUT OF LIMITS. DUE TO DAMAGE PROXIMITY TO HOLES PER SRM 53-00-53. REMOVED AND INSTALLED NEW WEB PER SRM 51-40-02; DWG 146A8120; DWG 146A8121; MM 51-31-00; SRM 51-40-05 87713U 11APR18