What was found
FWD CABIN FLOOR SUPPORT INTERCOSTAL CRACKED AT BL-0 BETWEEN STA 380 AND STA 400; WL208.1 ; / [01] INSTALLED EWIS PROTECTION AS PER B737-700 AMM 20-60-07-913-801.; [02] REMOVED FLOOR SUPPORT ANGLE AS PER B737-700 SRM 51-40-02-0G-0.; [03] LOCATED AND DRILLED NEW INTERCOSTAL AT MAIN CABIN BETWEEN STA 380 AND STA 400 BL 0 WL 208.1 REF B737-700 SRM 51-40-05-0G-0 AND DWG# 143A5400.; [04] VERIFIED STEP 3; [05] OK TO INSTALL SERVICEABLE INTERCOSTAL ANGLE.; [06] INSTALLED NEW INTERCOSTAL AT MAIN CABIN BETWEEN STA 380 AND STA 400 BL 0 WL 208.1 REF B737-700 SRM 51-40-02-0G-0 AND DWG# 143A5400.; [07] REMOVED EWIS PROTECTION AT MAIN CABIN BETWEEN STA 380 AND STA 400 BL 0 WL 280.1 REF B737-700 AMM 20-60-07-913-801.; [08] VERIFIED STEP 6 AND 7; [09] REMOVED AND REPLACED INTERCOSTAL AT MAIN CABIN BETWEEN STA 380 AND STA 400 BL 0 WL 208.1 REF B737-700 SRM 51-40-02-0G-0 AND DWG# 143A5400.; [10] VERIFIED INSTALLATION