What was found
DURING A MAINTENANCE VISIT FOUND A CRACK TO THE MEMBRANE IN THE MAIN CABIN INTERIOR UPPER CUSP LINE AT STA 1080 AND L21R, DAMAGE EXCEEDED LIMITATIONS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AND PRIMED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR IAW DC-8 SRM 53-2-0, 51-1-4 AND 51-1-21.