What was found
INITIAL INSPECTION: CORROSION ON FLOOR SEAT RAILS IN SECTIONS [ FS= 34 9 TO FS= 485, 9RBL ] [ FS= 581 TO 661+32, 9RBL ] AT PAX CABIN. (CPAX) (TCI: 53-20-243) COMPLETE: SUMMARY: NRC 00236: FLOOR SEAT RAILS IN SECTIONS [ FS= 349 TO FS= 485, 9RBL ] [ FS= 581 TO 661+32, 9RBL WERE REPLACED PER CRJ-900 SRM 51-41-02-001-001-A01 PAR. 6D AND AMM 53-00-49-400-801 (CONFIG. A07)