What was found
INITIAL INSPECTION: CORROSION ON FLOOR SEAT RAILS IN SECTIONS [FS= 693 TO FS= 830,9LBL/ 9RBL] [FS= 830 TO FS= 849, 9RBL] [FS= 849 TO 977, 9LBL/ 9RBL] AT PAX CABIN. (CPAX) (TCI: 53-20-233) SUMMARY:CORROSION LEVEL 2, ON FLOOR SEAT RAILS IN SECTIONS [FS= 693 TO FS= 830,9LBL/ 9RBL] [FS= 830 TO FS= 849, 9RBL] [FS= 849 TO 977, 9LBL/ 9RBL] AT PAX CABIN. THEY WERE REPLACED PER CRJ-900 AMM 53-00-49-000-801-A07 THEY WERE REPLACED PER CRJ-900 AMM 53-00-49-000-801-A07.