As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
FLOORBOARD SUPPORT STRUCTURE THAT TURNS INTO THE 5L SEAT TRACK IS CORRODED, FR 14 TO FR 15 APPROX 72 IN LONG. REMOVED LEVEL 1 CORROSION. DURING CORROSION REMOVAL, FOUND FLOOR SUPPORT AND SUPPORT FITTING OUT OF LIMITS IAW SRM 53-10-16. R & R FLOOR SUPPORT AND SUPPORT FITTING PN A5361077820000 IAW SRM 51-72-10.