As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
***CORROSION*** ON INTERCOSTAL AT AFT CARGO BAY BS927 - BS947 RBL3 WL174. / REMOVED CORROSION ON ACB INTERCOSTAL BS 927 - BS 947 RBL 3 WL 174 BLEND WAS 1.9' X .4' X .005 ORIGINAL THICKNESS .045 FOUND TO BE OUT OF LIMITS. REMOVED AND REPLACED ACB INTERCOSTAL BS 927 - BS 947 RBL 3 WL 174 I.A.W SRM 51-10-02; SRM 53-00-53-1A-2; SRM 51-40-02-0G-0 AND BOEING DWG# 147A7500