What was found
DURING C-CHECK INSPECTION, DISCOVERED EXFOLIATION CORROSION ON THE FUSELAGE SKIN AT STA 1211 - STA 1231, BETWEEN LONGERONS 29R AND 30R. TRIMMED OUT DAMAGE, NDT INSPECTED AND INSTALLED REPAIR FILLERS AND DOUBLERS. ACCOMPLISHED IAW EVERGREEN AIR CENTER - ENGINEERING CHANGE/REPAIR AUTHORIZATION NR N9420-53-010-EAC.