As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
**CORROSION** (ACB) STRAP ON LOWER SURFACE OF SUB-THRESHOLD WEB HAS CORROSION B.S.787+ 4; RBL20; WL154. / DAMAGE EVALUATION ACB LWR SUB-THRESHOLD WEB STRAP BS 787-793 RBL 20 WAS FOUND TO BE OUT OF LIMITS DUE TO NO DAMAGE LIMITS IN SRM GIVEN. PER SRM 51-10-02. REMOVED AND INSTALLED NEW STRAP PER DWG 146A0081; MM 51-31-00; SRM 51-40-02 87713U 18APR18