As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION ON INTERCOSTAL BS 1640 RBL 55. MAJOR REPAIR ACCOMPLISHED: 3 AREAS HAD 100 PERCENT MATERIAL LOSS AFTER BLENDING IAW SRM. REMOVED CORRODED INTERCOSTAL. LOCATED AND DRILLED HOLES ON NEW INTERCOSTAL IAW SRM. INSTALLED NEW INTERCOSTAL IAW SRM 51-40-02.