What was found
INITIAL INSPECTION: CORROSION ON SIDE SEAT RAILS IN SECTIONS [FS= 661+16 TO FS= 661+90, STGR 15LH] [FS= 661+90 TO FS= 720.85, STGR 15LH] AT PAX CABIN. (CPAX) (TCI: 53-20-217) SUMMARY: CORROSION LEVEL 2, ON SIDE SEAT RAILS IN SECTIONS [FS= 661+16 TO FS= 661+90, STGR 15LH] [FS= 661+90 TO FS= 720.85, STGR 15LH] AT PAX CABIN.THEY WERE REPLACED PER CRJ-900 AMM 53-00-49-400-801 ( CONFIG. A07 )