What was found
FWD CABIN BETWEEN STA 294.5 AND STA 312 RBL 15 WL 208.1 INTERCOSTAL IS CRACKED AS MARKED. 124-011 / [01] PERFORMED HFEC INSP. ON FWD CABIN BETWEEN STA 294.5 AND STA 312 RBL 15 WL 208.1 INTERCOSTAL IAW B737 NDT PART 6 51-00-00 PROC. 23. CRACKS CONFIRMED. LENGTH: 1) 1.75? 2) 2.60? ; EQUIP: NORTEC 600 B/C 166316 CAL DUE: 10/22;[02] REMOVED INTERCOSTAL AT STA 294 TO 312 RBL 15 PER SRM 51-40-02-0G-0;[03] LOCATED AND DRILLED NEW INTERCOSTAL PER SRM 51-40-02-0G-0 AND 51-40-05-0G-0;[04] VERIFIED STEP 1 AND 2<BR>OK TO TREAT AND PRIME HOLES;[05] TREATED AND PRIMED HOLES AS PER B737-700 AMM 51-21-41-370-803 AND AMM 51-21-72-370-804;[06] COMPLETED TABLE MEASUREMENT;[07] VERIFIED STEP 5; OK TO INSTALL;[08] INSTALLED INTRERCOSTAL AT STA 294.5 TO STA 312 RBL 15 PER SRM 51-40-02-0G-0 AND DWG 141A5400 AND 141A5410;[09] VERIFIED 8