As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 2550373) DURING INSPECTION FOUND CORROSION ON FITTINGS (2EAS) FLOOR STRUCTURE NEAR ENTRY DOOR PASSENGER STA 344/STA 312 LBL 40. FLOOR STRUCTURE NEAR ENTRY DOOR PASSENGER STA 344/STA 312 LBL 40 WERE REPLACED PER B737-900ER SRM 51-40-02-0G PAR. 9 AND PER B737-900 AMM 20-50-11-910-801.