As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN INTERCOSTAL CRACK AT LBL 12' BETWEEN STA 344-360<[01] REMOVED AND REPLACED INTERCOSTAL AT MAIN CABIN BETWWEEN STA 344 TO STA 360 AND LBL 12' IN REF B737-700 SRM 51-40-02-0G-0 AND BOEING DRAWING #141A5400.;[02] VERIFIED STEP 1