What was found
FWD CABIN WET AREA FLOOR SUPPORT INTERCOAL UPPER CAP CRACKED @ LBL 13 BETWEEN STA 380 AND 400 MKD DOT / [01] REMOVED FLOOR SUPPORT INTERCOSTAL AT FWD WET AREA;LBL 13' BETWEEN STA 380 TO STA 400;PER B 737-700 SRM 51-40-02-0G-0.;[02] LOCATED AND DRILL NEW INTERCOSTAL AT STA 380 TO STA 400;LBL 13''.PER B 737-700 SRM 51-10-02-0G-0.;[03] VERIFIED STEPS #1 AND #2;[04] OK TO INSTALL;[05] INSTALLED FLOOR SUPPORT (CHORD) AT MAIN CABIN FWD WET AREA BETWEEN ST 380 THRU STA400 LBL 13 PER B737-700 SRM 51-40-02-0G-0 AND DRW. #143A5400;[06] VERIFIED STEP #5.