As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING SCHEDULED ROUTINE INSP DISCOVERED LT WING T/E BY THE NR 1 FLAP, 2 SPOTS OF SURFACE CORROSION. DURING CLEANING OF SURFACE CORROSION DISCOVERED UPPER WING SKIN CORROSION BETWEEN LWS 136 THROUGH 196. REMOVED DAMAGED SKIN AND INSTALLED AN EXTERNAL REPAIR DOUBLER.