As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
CORROSION FOUND ON LT WING AFT SPAR LOWER CAP. ACCOMPLISHED REMOVAL OF CORROSION AND NDT TO VERIFY NO CRACKS PRESENT AND DETERMINE THE REMAINING MATERIAL THICKNESS. TREATED AND INSTALLED A REPAIR DOUBLER AND RESTORED SURFACE FINISH. ALL WORK ACCOMPLISHED IAW ERO-991263 REV A.