As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
INSPECTION TYPE:C, LT WING OTBD AILERON UPPER L/E O/B SKIN PANEL FOUND CHAFING WORN LT WING OTBD AIL UPR L/E OTBD SKIN PNL AT BTN AIL STA243.375-257.75 AREA SKIN REPAIRED IAW RS R57-60-36959 & B747-5750-41883. FINAL CUTOUT SIZE 7" X 14.375" THIS REPAIR IS CLASSIFIED AS A MAJOR REPAIR WITH MATL 2024T3-0.050" AS REPAIR SKIN SECTION & SPLICE PLATE. REPAIR SIZE IS 6.875" X 17.312".