What was found
CORROSION ON PRESSURE FLOOR PANEL AT NUT-PLATE FS 529.00 +10 AND LBL 43. AIRCRAFT REMOVED FROM SERVICE. REMOVED CORROSION FROM PRESSURE FLOOR PANEL AT NUT-PLATE FS 529.00 +10 AND LBL 43 BY BLENDING. BLENDED AREA MEASURED (P1) 1.530'' L X 0.630'' W (P2) 1.170''L X 0.470'' W (P3) 1.480'' L X 0.960'' 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 PANEL AT NUT-PLATE FS 529.00 +10 AND 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 PANEL AT NUT-PLATE FS 529.00 +10 AND LBL 43. MINIMUM REMAINING THICKNESS MEASURES (P1) 0.048'' (P2) 0.052'' (P3) 0.049'' 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 PANEL AT NUT-PLATE FS 529.00 +10 AND LBL 43. FOUND TO BE WITHIN LIMITS. REF BOMBARDIER REO 601R-53-41-666 REV C DATED 2012-11-06