What was found
CORROSION SPOT ON RT PRESSURE FLOOR ANGLE FS 518 AND RBL 27. AIRCRAFT REMOVED FROM SERVICE. REMOVED CORROSION FROM PRESSURE FLOOR ANGLE FS 518 AND RBL 27 BY BLENDING. BLENDED AREA MEASURED 1.342''L X 0.897''W, REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06. PERFORMED HFEC INSPECTION ON BLENDED AREA OF PRESSURE FLOOR ANGLE AT FS 518 RBL 27, 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 ANGLE AT FS 518 AND RBL 27. MINIMUM REMAINING THICKNESS MEASURES 0.077'', 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 DBT-CT-1033 CAL DUE 02/19/21. EVALUATED REWORK AREA OF PRESSURE FLOOR ANGLE AT FS 518 AND RBL 27 AND FOUND TO BE WITHIN LIMITS, REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06.