What was found
*CORROSION ON FLOOR BEAM BETWEEN RBL9 OTBD FLANGE BETWEEN FS 559.00+112 - 559.00+80 (C-CHECK) RO 2/9/2021 CORROSION REMOVED FROM RBL9 OTBD FLANGE BETWEEN FS 559.00+80 - 559.00+112,. / NDT COMPLETED IAW CRJ 200 NDT 51-20-04 / REMOVED AND REPLACED TWO NUT PLATES IAW CRJ 200 SRM 51-45-00 / TOP COAT RESTORED IAW CRJ 200 SRM 51-21-11 / RECIEVED REO FROM ENGINEERING / # 601R-53-00-005 DATED 2011/01/06 REV - B. / "REPAIR TO FLOOR BEAM CORROSION FS 280.00 TO FS 621.00, L/RBL 9.00 & L/RBL 27" / ORIGINAL MATERIAL THICKNESS 0.050", MATERIAL REMOVED 0.006", REMAINING THICKNESS 0.044", WITHIN LIMITS IAW THIS REO.