What was found
RH PRESSURE FLOOR SILL HAS 9 AREAS OF CORROSION BETWEEN FS428 AND FS530. 02/20/20 (AS) M/A: 1. N/A C/A: 1. REMOVED CORROSION @ R/H PRESSURE FLOOR SILL AND FLOOR ANGLE IAW REO 601R-53-41-666, REV.C DATED 2012-11-06. 2/20/20 M/A: 2. REPAIR AREAS REQUIRE NDT TO VERIFY REMAINING MATERIAL THICKNESS. 2/20/20 C/A: 2. PERFORMED UT THICKNESS TEST ON R/H PRESS FLOOR SILL ANGLE AND PANEL FS 409+128 TO FS 559 IAW CRJ200 NDTM PART 1 51-20-04. MARKED REMAINING THICKNESSES ON A/C. LOWEST IS .077" ON ANGLE AND .047"/.074" ON PANEL. 2/23/20 M/A: 3. ENGINEERING REQUIRED DUE TO SIZE AND SPACING OF BLEND AREAS. 2/20/20 C/A: 3. REPAIRED CORROSION DAMAGE IAW REO 601R-53-41-2710, REV.-- DATED 2020-02-27. 2/29/20 M/A: 4. TEMP REPAIR