As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DEFECT: TASKCARD 533800000 NRTC 00079 CORROSION INTERCOSTAL STA 294.5-312 LBL 12 RESOLUTION: DAMAGE ON INTERCOSTAL AT STA 294.5-312 LBL12 FOUND TO BE OUT OF LIMITS IAW B737 SRM 53-00-04-1A-1. REMOVED AND REPLACED INTERCOSTAL AT STA 294.5-312 LBL12 IAW B737 SRM 51-40-02-6G-0 AND DRAWING 141A5600 REV B. CAUSE OF CORROSION: MOISTURE. NO PREVIOUS BLENDING REPAIR.