What was found
INITIAL INSPECTION: CORROSION ON FLOOR SEAT RAILS IN SECTIONS [FS= 485 TO FS= 581,9RBL] [FS= 581 TO 661+32, 9LBL/9RBL] [FS= 661+32 TO FS= 693, 9LBL] AT PAX CABIN. (CPAX) (TCI: 53-20-243) SUMMARY: CORROSION LEVEL 2, ON FLOOR SEAT RAILS IN SECTIONS [FS= 485 TO FS= 581,9RBL] [FS= 581 TO 661+32, 9LBL/9RBL] [FS= 661+32 TO FS= 693, 9LBL] AT PAX CABIN.THEY WERE REPLACED PER CRJ-900 AMM 53-00-49-400-801 (CONFIG. A07)