What was found
PRESSURE FLOOR PANEL AT FS 439+9, RBL 42, STR 17, W/L 73.50 HAS CORROSION. AIRCRAFT REMOVED FROM SERVICE. REMOVED CORROSION FROM FLOOR PANEL (2 EA) POSITIONS AT FS 439+9, RBL 42, STR 17, W/L 73.50. REWORKED DIMENSIONS (P1)=0.8 W X 1.1 L, (P2)=1.1 W X 1.8 L, REF REO 601R-53-41-666 REV (C). PERFORMED HFEC INSPECTION ON PRESSURE FLOOR PANEL AT FS 439+9, RBL 42, STR 17, W/L 73.50, REF REO 601R-53-41-666 REV (C) DATED 2012-11-06 AND CRJ 200 PART 1 REV 42 NDTM 51-20-06, NO INDICATION NOTED. EDDY CURRENT TESTER S/N: 200051301 CAL DUE: 01/24/21. PERFORMED UT THICKNESS MEASUREMENT ON BLENDED AREA OF PRESSURE FLOOR PANEL AT FS 439+9, RBL 42, STR 17, W/L 73.50 (P1) THICKNESS .046, (P2) THICKNESS .053. EVALUATED BLENDS FOUND TO BE WITHIN LIMITS, REF REO 601R-53-41-666 REV (C) DATED 2012-11-06 AND CRJ 200 PART 4 REV 42 NDTM 51-00-001. UT GAUGE S/N 151136107 CAL DUE: 09-16-21. APPLIED PROTECTIVE FINISH TO BLENDS, REF REO 601R-53-41-666 REV (C) DATED 2012-11-06.