What was found
DURING CHECK-C MAINTENANCE, FOUND CORROSION ON LOWER FUSELAGE SKIN AT RUB STRIP FOR RT WING TO FUSELAGE FAIRING AT STA 764, 771, 775, AND 777. REMOVED CORROSION PER SPM 6-80-01. ALODINED AND PRIMED AND INSTALLED DOUBLER PER SRM 53-04, PAGE 321.