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. / CORROSION ON FLOOR TO SIDEWALL SUPPORT AT ACB BS727-BS807 LBL21 WL157 FOUND TO BE OUT OF LIMITS DUE TO MORE THAN 20% MATERIAL LOSS IAW SRM 53-00-53-1A-2 ALLOWABLE DAMAGE 2. REMOVED AND REPLACED FLOOR TO SIDEWALL FROM 727+4-BS847 LBL21 IAW SRM 51-40-02 AND IAW DWG #146A7500 AND IAW DWG #146A7502.