As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(737-53-3-0711) MAIN CABIN STA 328 RBL 31 - RBL 41 FLOOR BEAM CORRODED ON UPPER SURFACE. REMOVED/BLENDED CORROSION ORIG .125 MAT LOSS .021, MAT REMAINING 0.104 FOUND TO BE OUT OF LIMITS UAL EC/RA 5321-01330 REV B. DID REPAIR 8 IAW B737-900ER SRM 53-10-51-2R-8 AND SRM 51-70-01-2R-0.