What was found
INITIAL INSPECTION: CORROSION ON SIDE SEAT RAILS IN SECTIONS [ FS= 744 TO FS= 761, STGR 15RH ] AT PAX CABIN. (CPAX) (TCI: 53-20-217)
CORROSION LEVEL 2. SIDE SEAT RAILS IN SECTIONS [ FS= 744 TO FS= 761, STGR 15RH ] AT PAX CABIN WAS REPLACED PER CRJ 900 AMM 53-00-49-400-801