As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON ITERCOSTAL BETWEEN BS 700-720 & STR 27L - 28L. REMOVED INTERCOSTAL AT BS 700-720 BETWEEN STR 27L-28L IAW SRM 51-30-2. FAB NEW INTERCOSTAL FROM 7075-T6 .032" PO 90010274 DIM 19.5" X 8.5" IAW SRM 53-10-2 FIG 3 & 51-20-1 FIG 3 & 51-30-5. PART TREATED AND PRIMED IAW SRM 51-10-2 NEW INTERCOSTAL INSTALLED AT BS 700-720, STR 27L-28L.