As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK, FOUND LEFT WING AFT SPAR T-CAP FASTENER HOLE CORRODED AT STA XORS 582. CORROSION WAS REMOVED BY SPOTFACING FASTENER HOLE FROM LOWER SIDE OF HOLE AND INSTALLING A FILLER AND DOUBLER USING 7075-T6 .125 THICKNESS. MAJOR REPAIR APPROVED BY 8110-3.