What was found
DURING A MAINTENANCE VISIT, FOUND FLOORBEAM, VERTICAL FLANGE WITH CORROSION DAMAGE BEYOND LIMITS IAW DC-8 SRM AT STA 920 AND LONGERON 21 LEFT. REMOVED DAMAGED SECTION, TREATED AREA IAW DC-8 SRM. FABRICATED AND INSTALLED REPAIR STRAPS IAW FAA APPROVED TIMCO DER ENGINEERING SKETCH REO-05175.