What was found
DURING A MAINTENANCE VISIT, FOUND NUMEROUS HOLES THROUGHOUT FRAME AT FRAME 878 FROM CUSP TO CUSP LONGERON 21R TO LONGERON 21L, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AND PRIMED AREA IAW DC-8 SRM 51-1-8. PLUGGED ALL OPEN HOLES, FABRICATED STRAP, DOUBLERS, GUSSET AND COMBO STRAP FROM 7075-T6 AND INSTALLED IAW DC-8 SRM 51-1-4, 51-1-21 AND EO NR 99-236 WITH APPROVED 8110-3 DATED 1-4-00.