What was found
DURING A MAINTENANCE VISIT FOUND MISDRILLED, FLOORBEAM, AT STA 660, UPPER FLANGES. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. REPAIRED IAW FAA APPROVED TIMCO DER ENGINEERING SKETCH NR REO-06273 AND DC08-53-0351, REV A.