As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 1380916) DURING INSPECTION FOUND WEAR ON SEAT TRACK SECTION RBL45.5 BTW STATION 500H+7 AND STA 522 AT PAX CABIN FLOOR STRUCTURE. SEAT TRACK SECTION RBL45.5 BTW STA 500H+7 AND STA 522 AT PAX CABIN FLOOR STRUCTURE WAS REPLACED PER B737-800 SRM 53-00-52 REPAIR 4.