As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING C-CHECK DISCOVERED CORROSION ON THE RT UPPER SURFACE SKIN OF WING AT WING STATION 727.5 TOWARD THE LE. CORROSION REMOVED ON UPPER SURFACE OF RT WING WITHIN LIMITS IAW SRM 57-30-01 PAGE 2 FIGURE 1 SHEET 2. INSTALLED REPAIR DOUBLER IAW SRM 51-10-2 & DWG 57-15128-1.