As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN FWD WET AREA UNDER PANEL 221DF BETWEEN STA 312 AND STA 328 APPROX. LBL 52 HAS INTERCOSTAL WITH POSSIBLE CRACK.<[01] REMOVED AND REPLACED INTERCOSTAL AT MAIN CABIN FWD WET AREA UNDER PANEL 221DF BETWEEN STA 312 AND STA 328 APPROX. LBL 52 PER B737-700 SRM 51-40-02-0G-0 AND BOEING DRAWING 141A5400.;[02] VERIFIED STEP 1