What was found
DURING ROUTINE C CHECK INSPECTION, EXTERNAL FUSELAGE LEFT HAND FORWARD PASSENGER DOOR UPPER AFT JAMB CORNER HAS NON STANDARD REPAIR AT STATION 55.000, FROM LONGERON-9 LEFT, TO LONGERON-11LEFT. PERFORMED MAJOR REPAIR IAW AD 2000-20-08, SB DC8 53-075, DOUGLAS DRAWING SR 08530021, 5750776. REMOVED EXISTING REPAIR DOUBLER IAW DC8 SRM 51-1-20D, DC8 SRM 51-1-21, DC8 SRM 51-3-0. PERFORMED NDT INSPECTION IAW DC-8 NDT PART 06-10-01-001. NO CRACK, OR CORROSION FOUND. FABRICATED REPAIR DOUBLER AND REPAIR TRIPLER IAW DOUGLAS DRAWING SR 08530021. CLEANED, TREATED, PRIMED AREA, AND REPAIR PARTS IAW DC-8 SRM 51-1-8B. APPLIED SEALANT TO FAYING SURFACES IAW DC-8 SRM 51-1-11. INSTALLED REPAIR PARTS IAW DOUGLAS DRAWING SR 08530