As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON FLOOR TO SIDEWALL SUPPORT AT ACB BS887 - BS947 RBL21 WL171. / REMOVED; AND INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AT ACB BS887-947 RBL21 IAW SRM 51-40-02; SRM 53-70-53-01-2; SRM 51-20-01; DWG 147A7500 AND DWG 147A9409 80641U 13JUN20 (CORROSION OUT OF LIMITS)