As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
AIRCRAFT 3739, ***CORROSION*** ON INTERCOSTAL IN THE E/E BAY LOCATED ON STA 323, S-27L AND WL 149. CORRECTIVE ACTION: CORROSION ON INTERCOSTAL IN THE E & E BAY STA. 323, STR 27L FOUND TO BE OUT OF LIMITS DUE TO NO LIMITS IN SRM IAW B737-800 SRM 51-10-02-0G PARA. 9. REMOVED AND REPLACED INTERCOSTAL IAW B737-800 SRM 51-40-02-0G, AND BOEING DWG 141A3504 ID: 0002 REV: B. (LP 0644180)