As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0978265) SEAT TRACK 45 RBL FROM STA 518 TO 522 CORROSION AT PASSENGER CABIN FLOOR STRUCTURE DOES NOT MEET THE MINIMUM PERMISSIBLE REQUIREMENTS. SEAT TRACK 45 RBL FROM STA 518 TO 522 AT PASSENGER CABIN FLOOR STRUCTURE WAS REPLACED PER B737-800 SRM 51-40-02-0G.