What was found
INSIDE AIRCRAFT CABIN RIGHT SIDE BS 464 - 449 (APPROX) PRESSURE FLOOR SILL SHOW SIGNS OF CORROSION IN MULTIPLE AREAS. REMOVED CORROSION INSIDE THE AIRCRAFT CABIN RIGHT SIDE BS 464 - 449 (APPROX) PRESSURE FLOOR SILL IAW SRM 51-21-06. MEASURED AREA ON RT PRESSURE FLOOR SILL ORIGINAL THICKNESS 0.055", REMAINING IS 0.045", AREA FOUND TO BE BEYOND ALLOWABLE LIMITS. REPAIRED RT PRESSURE FLOOR SILL BS 464 - 449 IAW REO 601R-53-41-3396, REV--. CIC WILL BE APPLIED ON WORK CARD 2530 / CP 31823245. AIRCRAFT WEIGHT CHANGE NEGLIGIBLE. THRESHOLD INSPECTION (40000) FLIGHT CYCLES DUE AT OR BEFORE 81617 FLIGHT CYCLES.