As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CHECK, FOUND FWD UTILITY AREA FLOOR SUPPORT FROM FR18TO FR21 UPPER FLANGE & SEAT TRACK CORRODED. REMOVED CORROSION BY BLENDING IAW A320 SRM 51-74-00 CHECKED LIMITS W=.21" L=1.5" D=.035" FOUND TO BE OUT OF LIMITS PER SRM 53-00-15 FIG 101. REPLACED SEAT TRACK P/N D53112 78220201 BATCH NO.0002212833 IAW A320 SRM 51-42-11.