What was found
IN PASSENGER COMPARTMENT UNDER FLOORBOARDS, THE RT PRESSURE FLOOR SILL FROM FS 422.00 TO FS 548.00 BETWEEN RBL 36.00 TO RBL 45.00. THE FLOOR SKIN AND FINGER WEBS AT SEVERAL LOCATIONS HAVE PITTING CORROSION. BLENDED OUT SEVERAL AREAS OF CORROSION ON THE RT FLOOR SILL PANEL AREA, APPROXIMATELY .005" TO .010" OF DAMAGE REMOVED APPROXIMTELY .045" TO .050" OF MATERIAL REMAINING, BLENDED IAW REO 601R-53-41-666, REV C, STEPS 1.2, A-B. BLENDED SEVERAL AREAS OF CORROSION ON THE RT FLOOR SILL ANGLE, APRROXIMATELY .005" TO .020" OF DAMAGE REMOVED. APPROXIMATELY .060" TO .075" OF MATERIAL REMAINING. BLENDED IAW REO 601R-53-41-666, REV C, STEPS 2.2, A-B. C/W ECTC REO 601R-53-41-666 AND REO 601R-53-41-666, REV C.