What was found
DURING ROUTINE C-CHECK FOUND EXTERNAL FUSELAGE GOUGED AT STATION 280 LONGERON 30 RIGHT. REMOVED GOUGE. ORIGINAL MATERIAL THICKNESS IS .071 AFTER DAMAGED REMOVED MATERIAL THICKNESS IS .051 OUT OF LIMITS. FABRICATED DOUBLER, LOCATED, DRILLED, ALODINED, PRIMED, AND INSTALLED DOUBLER IAW DC8 SRM 51-1-8, 53-4-1, 53-2-1, AND 51-1-20D.