What was found
MAIN CABIN FWD WET AREA INTERCOSTAL BETWEEN STA 312 AND STA 328 RBL 29' CRACKED FLOOR INTERCOSTAL LOCATED BETWEEN STA 312-STA 328 RBL 31.6 AND WL 208.1 / [01] REMOVED MAIN CABIN FWD WET AREA INTERCOSTAL BETWEEN STA 312 AND STA 328 RBL 29' AS PER B737-700 SRM 51-10-02-0G-0;[02] LOCATED AND DRILLED INTERCOSTAL AS PER B737-700 SRM 51-40-05-0G-0;[03] CORRECTION TO STEP 1: CORRECT REFERENCE USED B737-700 SRM 51-40-02-0G-0;[04] CORRECT LOCATION TO MAIN CABIN FLOOR INTERCOSTAL IS BETWEEN STA 312 AND 328 RBL 31.6 AND WL 208.1;[05] VERIFIED STEPS 2;3 AND 4 OK TO TREAT AND PRIME DRILLED HOLES.;[06] TREATED AND PRIMED HOLES AS PER B737-700 AMM 51-21-41-370-803 AND AMM 51-21-72-370-804;[07] VERIFIED AMT STEP 6 ; OK TO INSTALL CABIN FLOOR INTERCOSTAL IS BETWEEN STA 312 AND 328 RBL 31.6 AND WL 208.1;[08] INSTALLED CABIN FLOOR INTERCOSTAL BETWEEN STA 312 AND STA 328 RBL 31.6 AND WL 208.1 AS PER B737-700 SRM 51-40-05-0G-0;[09] CORRECTION TO STEP 2: LOCATED AND DRILLED NEW INTERCOSTAL AS PER B737-700 SRM 51-40-05-0G-0;[10] VERIFIED STEPS 8 AND 9