What was found
CORROSION ON PRESSURE FLOOR ANGLE FS 544.00 +11 TO FS 559 +2 AND LBL 41 TO LBL 43. AIRCRAFT REMOVED FROM SERVICE. REMOVED CORROSION FROM PRESSURE FLOOR ANGLE FS 544.00 +11 TO FS 559 + 2 AND LBL 41 TO LBL 43. BY BLENDING. BLENDED AREA MEASURED 2.480'' L X 0.800'' W TOOL USED DIGITAL CALIPER S/N 0036003 CAL DUE 04/03/2021, 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 544.00 +11 TO FS 559 +2 AND LBL 41 TO LBL 43, 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 60007150515 CAL DUE 10/09/21. PERFORMED UT THICKNESS MEASUREMENT ON BLENDED AREA OF PRESSURE FLOOR ANGLE AT FS 544.00 +11 TO FS 559 + 2 AND LBL 41 TO LBL 43. MINIMUM REMAINING THICKNESS MEASURES 0.0783'', 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 544.00 +11 TO FS 559 +2 AND LBL 41 TO LBL 43 AND FOUND TO BE WITHIN LIMITS. REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06.