What was found
LT WING INBD AILERON UPPER PLATING SHOWS INTERIM REPAIRS BETWEEN STA XA 441.000 - XA 542.000. PERFORMED MAJOR REPAIR IAW EODHL-030570, ED-3398. REMOVED FASTENERS IAW SRM 51-1-21 PG 1. REMOVED DAMAGED SKIN PANEL IAW EODHL-030570, ED-3398. CLEANED, TREATED AND PRIMED AREA IAW SRM 51-1-8B. FABRICATED A NEW SKIN PANEL IAW EODHL-030570, ED-3398. CLEANED, TREATED AND PRIMED THE NEW SKIN PANEL IAW SRM 51-1-8B. APPLIED PRC SEALANT ON FAYING SURFACES IAW SRM 51-1-11 PG 9 INSTALLED NEW SKIN PANEL ON LT WING INBD AILERON UPPER PLATING, STA XA 441.000 - XA 542.000 USING NEW FASTENERS IAW EODHL-030570, ED-3398 AND SRM 51-1-21 PG 1. SEE N\R 4049 FOR WEIGHT AND BALANCE.