As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 1479152) CORROSION ON UPPER FLANGE BEAM STA 947 LBL 21 TO LBL 29 AT AFT PASSENGER CABIN (W2). UPPER FLANGE BEAM STA 947 LBL 8 TO LBL 60 AT AFT PASSENGER CABIN (W2) WAS REPAIRED PER B737-900 SRM 53-70-51-2R PROCEDURE 5 REPAIR 5 AND ER/A 632805-14 PRI REV. 0.