As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION AFT CABIN WET AREA FLOOR SUPPORT INTERCOSTAL @ RBL 24.75 STA 951<[01] REMOVED AND INSTALLED NEW AFT CABIN WET AREA FLOOR SUPPORT INTERCOSTAL @ RBL 24.75 STA 951 PER REF SRM 51-40-02-0G-0 AND DWG 147A5650 SHEET 105;[02] RII VERIFIED CORRECTIVE ACTION.