What was found
DURING CURRENT D-CHECK AT SIAEC, THE NR 5 FLAP TRACK OUTBOARD LOWER FLANGE IN THE MID SECTION WAS FOUND WITH LEVEL 1 CORROSION FOR APPROX 10 INCHES. CORROSION MACHINED OUT AND BLENDED MAINTAINING A 100 TO 1 BLEND RATION TO ENSURE A SMOOTH FLAT SURFACE. AREA MAGNETIC PARTICLE INSPECTED TO ENSURE NO CRACKING DURING PROCESS. NO DEFECTS FOUND. AREA MEASURED AND RECORDED. SURFACE TREATED AND REFINISHED. REWORK PERFORMED IAW SOPM 20-10-01/02. (M)