What was found
MAIN CABIN FWD WET AREA INTERCOSTAL BETWEEN STA 344 AND STA 360 BL 0 APPEARED CRACK AT AFT FASTENER HOLE / [01] REMOVED MAIN CABIN FWD WET AREA INTERCOSTAL BETWEEN STA 344 AND STA 360 BL 0 IAW SRM 51-40-02-0G-0.;[02] VERIFIED STEP #1;[03] LOCATED AND DRILLED NEW INTERCOSTAL IAW SRM 51-40-05-0G-0;[04] VERIFIED STEP # 3;[05] OK TO INSTALL NEW INTERCOSTAL;[06] INSTALLED NEW INTERCOSTAL AT MAIN CABIN BETWEEN STA 360 TO STA 344 BL 0 REF B 737-700 SRM 51-40-02-0G-0 AND DWG# 141A5400.;[07] REMOVED AND REPLACED INTERCOSTAL AT MAIN CABIN BETWEEN STA 360 TO STA 344 BL 0 REF B 737-700 SRM 51-40-02-0G-0 AND DWG# 141A5400.;[08] VERIFIED STEPS 6 AND 7.