As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
(LOG 0378473) CORROSION AT PASSENGER SEAT TRACK MULTIPLE AREAS FROM STA 370 TO STA 520 LBL 25 WL 208. REPAIRED SEAT TRACK FROM STA 480 TO 500E PER B737-900 SRM 53-00-52-2R-4 AND EVALUATED DAMAGES ON STA 370 TO STA 480 AND STA 500E TO STA 520 FOUND TO BE WITHIN LIMITS PER B737-900 SRM 53-00-52-1A-1.