What was found
AFT PASSENGER COMPARTMENT WET AREA; CORROSION ON SHEAR WEB SEVERAL AREAS LBL 7 TO 13; BS 1016+10; 1016+16; AND LBL 17; BS 1016+5.<[01] REMOVE AND INSTALL L/H BS1016-BS1030 WL208 SHEAR WEB IAW SRM 51-40-02-0G-0;[02] REMOVED AND INSTALLED L/H BS1016-BS1030 WL208 SHEAR WEB IAW SRM 51-40-02-0G-0 AND BOEING DWG 147A5600 REV B;[03] VERIFIED CORRECTIVE ACTION TAKEN AND TASK CARD COMPLETED.;[04] VERIFIED CORRECTIVE ACTION TAKEN AND TASK CARD COMPLETED.