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 FCB BS400 - BS480 LBL23 WL157. / REMOVED AND REPLACED FLOOR TO SIDEWALL SUPPORT BS400 TO BS 500 1) LBL23 WL157 FABRICATED FROM BAC 1490-444 #7075T62 LOT #1428695-1 IAW SRM 51-40-02; SRM 53-00-53-2R-6 AND DWG 143A7500 89004U 24APR20