What was found
FLOORBEAM UPPER CHORD AT STA 1640 NEAR LT SIDEWALL HAS CORROSION. REMOVED CORROSION ON FLOORBEAM IAW SRM 51-10-02,ORIG MATERIAL 0.125" AFTER REWORKED 0.015" AT LBL 60, MEASURED AREA,L= 3.7", X W=2.00", X DEPTH=0.110" FOUNDED OUT LIMITS IAW SRM 53-00-51, FIG 101, DETAIL III, REMOVAL FLOORBEAM STA 1640 BETWEEN LBL 70 TO RBL 70 IAW SRM 51-40-02, INSTALLED NEW FLOORBEAM FABRICATED FROM MAT BAC 1518-338, BATCH 1918947, IAW DWG 146N5089 AND SRM 53-60-51, FIG 1, PAG 5 (SHEET 5 & 6 AND 6 OF 7) MAJOR REPAIR.