What was found
CORROSION......CABIN FWD WET AREA FLOOR @ STA 328 LBL 22 - LBL 23 WL 208.1 FRAME HAS CORROSION. (18-052) / [01] INSTALLED EWIS PROTECTION AT MAIN CABIN WET AREA FS 328 BETWEEN LBL 22 TO LBL 23 WL 208.1;IN REF B737-700 AMM 20-60-07-913-801;[07] FABRICATED REPAIR PARTS TO FLOOR BEAM UPPER FLANGE REPAIR FIGURE 203 REPAIR #1;IN REF B737-700 SRM 53-00-51-2R-1 PARRAG. 4.C.D.E.F;[14] INSTALLED REPAIR PARTS AT CABIN FWD WET AREA FLOOR STA. 328 LBL 22 WL 208.5 IAW B737-700 SRM 53-00-51-2R-1 REPAIR 1 FIG. 203 DETAIL A-A SHEET 1;[15] REMOVED EWIS AND FOD PROTECTION AT MAIN CABIN WET AREA FS 328 BETWEEN LBL 22 TO LBL 23 WL 208.1;IN REF B737-700 AMM 20-60-07-913-801;[16] 3. ROBERT CREARY (TECHNICIAN); 17-FEB-2022 18:25 UTC <BR>PERFORMED UT THICKNESS IAW NDTM PART 4; 51-00-00 PROCEDURE 3. MINIMUM FOUND :0.105' <BR>[27MG ; B/C 172139 ; CALIB.DUE-04/22] <BR>11. ROBERT CREARY (TECHNICIAN); 04-MAR-2022 13:11 UTC <BR>PERFORMED HFEC ON TRIMMED OUT SECTION OF FLOOR BEAM UPPER CHORD STA 328; LBL 22 TO LBL 23; IAW NDTM PART 6;51-00-00 PROCEDURE 23. NO CRACKS. <BR>[NORTEC 600;B/C 166316 ; CALIB.DUE-10/22];[17] VERIFIED STEPS 14 AND 15;[18] REMOVED EWIS AND FOD PROTECTION AT MAIN CABIN WET AREA BETWEEN FS 328 WL 208.1 AND BETWEEN LBL 22 TO LBL 23 ;IN REF B737-700 AMM 20-60-07-913-801 AND <BR>REMOVED FOD PROTECTION AT CONTROL CABLES FROM STA 312 TO STA 344 LBL-60 TO RBL-60 REF B737-7 AMM 20-60-07-913-801;[19] VERIFIED STEP 18