What was found
CORROSION ON FLOOR SEAT RAILS 9RBL FS364 TO FS485, 9LBL FS374 TO FS485, 27LBL FS350 TO FS485 AT PAX CABIN. (CPAX)(TCI 53-20-318) SUMMARY OF NRC S/N 00112: FLOOR SEAT RAILS 9RBL FS364 TO FS485, 9LBL FS374 TO FS485, 27LBL FS350 TO FS485 AT PAX CABIN WERE REPLACED PER CRJ-900 AMM 53-00-49-400-801 (CONFIG A12) (LEVEL CORROSION 2).