As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FORWARD WET AREA FLOORBEAM AT STA312 LBL43 HAS SPOT OF COROSSION. INSTALLED THE REPAIR PARTS (( T-CHORD [1], STRAPS [2], [3] AND ANGLES [4] [5] )) AT MAIN CABIN FWD FLOOR STRUCTURE STA 312" BETWEEN LBL 27" TO LBL 63" IAW SRM 53-10-51-2R-12 AND SRM 53-10-51-2R-12 AND SRM 51-40-02-0G-0.