As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MAIN CABIN, FLOORBEAM UPPER SURFACE HAS CORROSION AT STA 846, LBL 48. REMOVED SEAT TRACK AND REMOVED SUPPORT TEE IAW SRM 51-30-2. FABRICATED, LOCATED AND DRILLED NEW TEE BEAM IAW SRM 53-10-2 FIG7 AND 51-30-5.TREATED AND PRIMED AFFECTED AREA IAW SRM 51-10-2. INSTALLED IAW SRM 51-30-2 AND 53-10-2 FIG7.