As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CABIN FLOOR SEAT RAILS HAVE CORROSION DAMAGE AT LBL 9 FS 477.40 TO FS 693.00. BLENDED CORROSION ON CABIN FLOR SEAT RAILS LBL 9 FS 477 TO FS 693 REMOVED .021" OF MATERIAL WITHIN LIMITS ALLOWED TO REMOVE .035" OF MATERIAL. ALL WORK DONE IAW SRM 53-31-49.