What was found
CORROSION SPOT ON RT PRESSURE FLOOR SILL PNL FS 409+133 AND RBL 34. AIRCRAFT REMOVED FROM SERVICE. REMOVED CORROSION FROM PRESSURE FLOOR SILL PNL FS 409+133 AND RBL 34 BY BLENDING. BLENDED AREA MEASURED 1.100''L X 0.900''W, REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06. PERFORMED HFEC INSPECTION ON BLENDED AREA OF PRESSURE FLOOR SILL PNL AT FS 409+133 RBL 34, REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06 AND CRJ-200 NDTM PART 1 51-20-06 REV 42 NO INDICATIONS NOTED. EDDY CURRENT TESTER S/N 200051301 CAL DUE 01/24/21. PERFORMED UT THICKNESS MEASUREMENT ON BLENDED AREA OF PRESSURE FLOOR SILL PNL AT FS 409+133 AND RBL 34. MINIMUM REMAINING THICKNESS MEASURES 0.048'' REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06 AND CRJ-200 NDTM PART 4 51-00-001 REV 42. UT THICKNESS GAUGE S/N 151136107 CAL DUE 09/16/21. EVALUATED REWORK AREA OF PRESSURE FLOOR SILL PNL AT FS 409+133 AND RBL 34. AND FOUND TO BE WITHIN LIMITS. REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06.