What was found
INITIAL INSPECTION: CORROSION ON SIDE SEAT RAIL BTWN. SECTIONS FS677 TO FS720.85, FS744.15 TO FS761.85, FS785.15 TO FS847.00+8.40, FS847.00+8.40 TO FS881.00,FS881.00 TO FS977.00 AT STGR 15LH/15RH.(CPAX). (TCI: 53-20-233). SIDE SEAT RAIL BTW SECTIONS FS677 TO FS720.85, FS744.15 TO FS761.85, FS785.15 TO FS847.00+8.40, FS847.00+8.40 TO FS881.00 AND FS881.00 TO FS977.00 AT STGR 15LH/15RH WERE REPLACED FOR NEW ONES PER CRJ-900 AMM 53-00-49-000-801 (CONFIG A07). CORROSION LEVEL 2.