What was found
LEFT WING LOWER SURFACE L/E DROP PANEL (RIB 28) EXTERNAL SURFACE HAS AN ERODED AREA. REPAIRED LT WING LOWER SURFACE L/E DROP PANEL BY REMOVING DAMAGE, APPLING FOIL REPAIR, ALODINING FOIL REPAIR, APPLING FR PRIMER, AND APPLING FINISH COAT IAW SRM 57-41-12,51-21-00, & 51-75-10.