What was found
INITIAL INSPECTION: CORROSION ON FLOOR SEAT RAIL BTWN. SECTIONS FS477 TO FS581, FS581 TO FS661.00+16, FS661.00+16 TO FS693.00 AT 9RBL , FS581 TO FS661.00+16, FS661.00+16 TO FS693.00 AT 9LBL ALSO FS477 TO FS581, FS581 TO FS661.00+16 AT 27LBL.(CPAX). TCI :(53-20-245). SEATS RAIL BTW SECTIONS FS477 TO FS581, FS581 TO FS661.00+16 AND FS661.00+16 TO FS693.00 AT 9RBL, FS581 TO FS661.00+16 AND FS661.00+16 TO FS693.00 AT 9LBL ALSO FS477 TO FS581 AND FS581 TO FS661.00+16 AT 27LBL WERE REPLACED FOR NEW ONES PER CRJ-900 AMM 53-00-49-000-801 (CONFIG A07). CORROSION LEVEL 2.