As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LEFT WING NUMBER 4 SLAT HAS CORROSION 40 INCHES OUTBOARD FROM INBOARD END, 9 INCHES FORWARD OF UPPER TRAILING EDGE OF NOSE SKIN. LEFT WING NUMBER 4 SLAT REMOVED DAMAGED AREA OF SKIN AND INSTALLED FLUSH DOUBLER REPAIR PER AARD 57-43-00-1.