As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
LT WING REAR SPAR UPPER CAP FORWARD OF NR 4 SPOILER FOUND CORRODED. CORROSION REMOVED IAW SRM 51-21-01 AND FOUND OUT OF LIMITS IAW SRM 57-00-10, REV 47, FIG 201. ORIGINAL MATERIAL THICKNESS = 0.290"; MATERIAL REMOVED = 0.060"; MATERIAL REMAINED = 0.230". REPAIR CARRIED OUT. CLASSIFIED AS MINOR IAW GMM 6-2-100, REV 113.