As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
SHIP 658 CORROSION ON FLOOR BEAM IN PAX CABIN AT STA 1640 BTW LBL 54 TO LBL 24 AND BTW RBL 54 TO RBL 45. CORRECTIVE ACTION: SUMMARY OF NRC 00483: THICKNESS MEASUREMENT INSPECTION WAS ACCOMPLISHED AND FOUND TO BE OUT OF LIMITS PER SRM. FLOOR BEAM IN PAX CABIN AT STA 1640 WAS REPAIRED PER B757-200 SRM. (2669263)