As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN INTERCOSTAL CORRODED AROUND FASTENER HOLES BS 951 - RBL 34, RBL 47. GROUNDED - YES. EVALUATED THE INTERCOSTAL AT BS 951.086, RBL 25 - RBL 47, FOUND TO BE OUT OF LIMITS IAW SRM 53-70-15. REMOVED AND REPLACED WITH NEW INTERCOSTAL IAW SRM 51-40-02 AND DRAWING 147A5650 REV- SHEET 44.