What was found
AFT WET AREA FLOOR. SUPPORT INTERCOSTAL APPEAR CRACK AND HAS ELONGATED HOLES BETWEEN STA 927 & 947 BL -0 ; / [01] PERFORMED HFEC INSP ON AFT WET AREA FLOOR SUPPORT INTERCOSTAL B/W STA 927 & 947 BL-0; IAW B737 NDT P6 51-00-00 PROC.23; CRACK CONFIRMED.<BR>TOOL USED : NORTEC 600 BC:166317 STANDARD:126; [02] REMOVED CHORD STA 927 TO STA 947 IAW 51-40-02-0G-0.; [03] LOCATED AND DRILLED NEW CHORD AS PER SRM 51-40-02-0G-0; [04] VERIFIED DRILLING OF SUPPORT INTER COSTAL . STEP 3. OK TO INSTALL<BR>NEW PART.; [05] INSTALLED NEW CHORD AT AFT WET AREA FLOOR STA 927-947 BL0 AS PER B737-700 SRM 51-40-02-0G-0.; [06] VERIFIED INSTALLATION OF NEW CHORD AT AFT WET AREA FLOOR STA 927-947 BL0 AS PER B737-700 SRM 51-40-02-0G-0.