What was found
INITIAL INSPECTION. CORROSION AND SCRATCHES ON FLOOR SEAT RAIL RBL9 FROM 485 TO 581, 581 TO 661+32, 661+32 TO 677, 677 TO 847+16 AT PAX CABIN. (SM)(CPAX)(TCI 53-20-245) SUMMARY: ON NRC. 00267 CORROSION LEVEL 2. ON FLOOR SEAT RAIL FROM 485 TO 581, 581 TO 661+32, 661+32 TO 677, 677 TO 847+16, LBL 27 AT PAX CABIN AND SECTION CUTED 778.50 TO 847.00+16 CORROSION OUT OF LIMITS PER CRJ-900 SRM 53-21-49-101-001-A01, THEREFORE WAS REPLACED PER CRJ-900 AMM 53-00-49 AND REO 670-53-00-074 REV -B