What was found
FLOORBEAM CORRODED BS 947 LBL 8 TO RBL 11. REMOVED CORROSION BY BLENDING, MATERIAL LOSS IS OUT OF LIMITS IAW B737-800 SRM 53-70-51. REMOVED THE DAMAGED SECTION OF FLOORBEAM UPPER CHORD. FABRICATED REPAIR UPPER CHORD USING EXTRUSION BAC1505-100658, REPAIR ANGLES USING .100" 7075-T6AL, REPAIR STRAPS USING .125" 7075-T6AL AND SUPPORT CLIPS USING EXTRUSION PM606479. FLOURESCENT PENETRANT INSPECTED CUT EDGES AND REPAIR STRAP -NO DEFECTS NOTED. FLAP PEENED VERTICAL AND HORIZONTAL FLANGES OF T-CHORD. INSTALLED REPAIR PARTS IAW B737 SRM 737-800 53-70-51 REPAIR 5.