As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING CURRENT (D) CHECK AT SIAEC, THE NR 5 FLAP TRACK O/B 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 RATIO TO ENSURE A SMOOTH FLAT SURFACE. AREA MAGNETIC PARTICLE INSPECTED TO ENSURE NO CRACKING DURING PROCESS. NO DEFECTS FOUND. AREA MEASURED AND RECORDED.