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 BS727 - BS807 LBL21 WL157. / REMOVED AND INSTALLED NEW FLOOR TO SIDEWALL SUPPORT AT ACB BS 727 - BS 847 LBL 21 WL 157 PER SRM 51-40-02-0G-0; SRM 53-00-53-1A-2; 51-10-02; SRM 53-60-53-01-02 AND BOEING DRAWING 146A7500 ITEM # 7532037.