As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL CRACKED AT LBL-13 BETWEEN STA 380 AND 400 MKD DOT<[01] FABRICATE ; REMOVED AND REPLACED UPPER CHORD AT FWD CABIN WET AREA FLOOR SUPPORT INTERCOSTAL AT LBL-13 STA 380 - STA 400 IAW DWG 143A5400 AND B737 SRM 51-40-02-0G-0;[02] RII: VERIFIED STEP 1