As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT HAND SIDE SEAT TRACK FS 449 - 499 SEGMENT IS CORRODED. REMOVED AND REPLACED SEAT TRACK AT FS 449 - 499 WITH A NEW SERVICEABLE SEAT TRACK SEGMENT P/N 601R38312-115 IAW AMM TASK 53-01-11-000/400-802 AND REO 601R-53-00-055 REV C DATED 2017-03-21.