As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(59-5300-1-2702)CORROSION ON MAIN DECK FLOORBEAM UPPER CHORD STA 294.5, RBL 18. REMOVED UPPER FLANGE DAMAGED OF THE FLOOR BEAM STRUCTURE AND INS BY MECH V940623 INSP AQC069. TALLED NEW UPPER CHORD ON MAIN CABIN DECK FLOOR BEAM AT STA 294. 5 RBL 25 TO LBL 21 I.A.W B737-900ER SRM 53-10-51-2R-16.