What was found
SCHEDULED INSPECTION, CABIN FLOORBEAM WAS FOUND TO BE CORRODED ON LOWER SURFACE OF THE UPPER FLANGE AT FUSELAGE STA 947 LBL 6 RBL 12, RBL 6 RBL 12, RBL 21, RBL 35 AND RBL 42 AT CLIP NUTS. ANOTHER FLOORBEAM WAS FOUND CORRODED BEYOND LIMITS AT STA 1016 LBL 30 - RBL 30. CUT OUT CORRODED SECTION, FABRICATED AND INSTALLED REPAIR MEMBERS AT STA 947 IAW B737 SRM 51-30-2, 53-10-9 FIG 2 AND 53-10-1. AT STA 1016 REMOVED FLOORBEAM AND REPLACED T CAP ON BEAM 81 LONG IAW B737 SRM 51-10-2, 53-10-9 AND AIRTRAN RES 982216 AND MM 38-52-51.