What was found
LOWER FUSELAGE EXTERIOR SKIN SHOWS SEVERAL SPOTS OF CORROSION BETWEEN STA 510.000 AND 570.000, L-31R - L-34R. PERFORMED MAJOR REPAIR IAW EODHL-030541, ED-3310. REMOVED FASTENERS IAW SRM 51-1-21 PG 1. REMOVED CORROSION IAW SRM 51-1-8 PG 17-18. FOUND OUT OF LIMITS IAW SRM 53-2-0 PG 2P. BLENDED OUT CORRODED AREA IAW EODHL-030541, ED-3310. PERFORMED EDDY CURRENT INSPECTION IAW DC8 NDT SPM PART 06-10-01-001. FABRICATED DOUBLER (7075-T6 AL0.071) IAW EODHL-030541, ED-3310. CLEANED, TREATED AND PRIMED AREA AND DOUBLER IAW SRM 51-1-8B. APPLIED (PRC) SEALANT TO FAYING SURFACES IAW SRM 51-1-11 PG 9. INSTALLED DOUBLER WITH NEW FASTENERS IAW EODHL-030541, ED-3310, SRM 51-1-20D PG 9, SRM 51-1-21 PG 1.