As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2278365) DURING INSPECTION FOUND CORROSION ON DIAPHRAGMA WEB BTW STA 1016 TO 1037 AND BL 0 TO LBL 37 AT CABIN STRUCTURE WET AREA. DIAPHRAGM WEB BTW STA 1016 TO 1037 AND BL 0 TO LBL 37 AT CABIN STRUCTURE WET AREA WAS REPLACED PER B737-800 SRM 51-40-02-0G PAR. 4. B. AND PAR. 5. B.