What was found
PRESSURE FLOOR PANEL AT FS 499.00 + 9, LBL 42, HAS CORROSION AROUND NUT PLATE HOLE. AIRCRAFT REMOVED FROM SERVICE. REMOVED CORROSION FROM PRESSURE FLOOR PANEL AT FS 499.00 + 9, LBL 42, BLENDED AREA MEASURES 1.99 L X 1.31 W, REF BOMBARDIER REO: 601R-53-41-666, REV C, ISSUE DATE: 11-06-2012. PERFORMED HFEC INSPECTION ON BLENDED AREA OF PRESSURE FLOOR PANEL AT FS 499.00 + 9, LBL 42, REF BOMBARDIER REO: 601R-53-41-666, REV C, ISSUE DATE: 11-06-2012 AND CRJ-200 NDTM PART 1, 51-20-06, REV 42. NO INDICATION NOTED. ET TESTER SN: 60007150515 CAL DUE: 10-09-2021. PERFORMED UT THICKNESS MEASUREMENT ON BLENDED AREA OF PRESSURE FLOOR PANEL AT FS 499.00 + 9, LBL 42, REF BOMBARDIER REO 601R-53-41-666, REV C, ISSUE DATE: 11-06-2012 AND CRJ-200 NDTM PART 4 51-00-001, REV 42. MINIMUM REMAINING THICKNESS 0.074. UT GAUGE SN:151136107 CAL DUE: 09-16-2021. EVALUATED BLENDED AREA OF PRESSURE FLOOR PANEL AT FS 499.00 + 9, LBL 42, AND FOUND TO BE WITHIN LIMITS REF BOMBARDIER REO 601R-53-41-666, REV C, ISSUE DATE: 11-06-2012. RESTORED SURFACE PROTECTION OF REWORKED AREA REF BOMBARDIER REO 601R-53-41-666, REV C, ISSUE DATE: 11-06-2012.