As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
MECHANICALLY REMOVED CORROSION LOCATED ON UPPER SURFACE OF THE UPPER INBOARD WING SKIN OF THE LH WING, AT THE CENTER SPAR AREA APPROXIMATELY 12" OUTBOARD THE OF DRAG ANGLE (WING-TO-FUSELAGE FAIRING STRUCTURE), PERFORMED NDT AND REPORTED FOR REPAIR DISPOSITION. CLEANED TREATED, PRIMED AND TOP COATED REPAIR AREA PER TEXTRON ENGINEERING MEMO.