As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 5654 CORROSION ON FLOOR BEAM ON RBL 4, LBL 3 AND LBL 59 IN STA 1639 AT PASSENGER CABIN. CORRECTIVE ACTION: SUMMARY OF NRC 00401. FLOOR BEAM ON RBL 4, LBL 3 AND LBL 59 IN STA 1639 AT PASSENGER CABIN WAS REPAIRED PER B757-200 SRM 53-00-51-2R PROCEDURE 9 REPAIR 9 PAR 4. (0766049)