As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND LT I/B SEAT TRACK AT LBL 18.3 IS CORRODED AT THE CENTER AISLE FLOORBOARD FLANGE FROM STA 294-376. MX REMOVED CORROSION IAW 51-21-42 MATERIAL REMAINING OUT OF LIMITS. REMOVED AND REPLACED DAMAGED SECTION OF SEAT TRACK REPLACED TRACK FROM STA 294-376 AREA TO SPLICE IS 401.9 IS WITHIN ALLOWABLE LIMIT.