What was found
CORROSION ON SEAT RAIL AT FS589.00+8 TO FS605.00 & LBL27. P1-L=1.800Ï¿½X W=0.900Ï¿½X D=.050 AIRCRAFT REMOVED FROM SERVICE. CORROSION ON SEAT RAIL BLENDED CORROSION ON SEAT RAIL FS589.00+8 & RBL27.ORIGINAL MATERIAL THICKNESS 0.050Ï¿½ & REMAINING THICKNESS 0.00Ï¿½. PERFORMED A CUTOUT WITH DIMENSIONS L=2.093Ï¿½X W=0.531 AT APPROX. FS600 LBL 27 INBOARD FLANGE IAW REO 601R-53-61-8008, STANDARD S6144 CMS6144 REV--. PERFORMED HFEC INSP AT CUTOUT AREA ON CARGO FLOOR FRAME AT FS600 LBL 27 INBOARD FLANGE NO INDICATIONS NOTED IAW NDT PART 1 51-50-06 12/2023 NO INDICATIONS. RESTORED SURFACE FINISH. ALL WORK WITHIN LIMITS WAS PERFORMED IAW CRJ200 SRM 51-12-00 REV 39, SRM 51-26-00 REV 39, SRM 53-61-43 REV 39, AND SRM 53