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 409+112 - 449 SEGMENT IS CORRODED. REMOVED AND REPLACED SEAT TRACK AT FS 409+112 - 449 WITH A NEW SERVICEABLE SEAT TRACK SEGMENT P/N 601R38312-119 IAW AMM TASK 53-01-11-000/400-802 AND REO 601R-53-00-055 REV C DATED 2017-03-21.