What was found
DURING ROUTINE C CHECK, FORWARD ENTRY DOOR CUTOUT LOWER AFT EXISTING REPAIR DOES NOT MEET THE INTENT OF AD 2000-20-08. REMOVED EXISTING DOUBLER. REMOVED EXISTING DOUBLER. FABRICATED REPAIR PARTS, LOCATED, DRILLED, TRIMMED, TREATED, PRIMED, AND INSTALLED NEW REPAIR PARTS IAW DC8 SRM 53-2-0, 51-1-8, AND 51-1-20D.