What was found
DURING A MAINTENANCE VISIT, FOUND FRAME LOWER SURFACE WITH CORROSION DAMAGE BEYOND LIMITS IAW DC-8 SRM, AT STA 1120 AND LONGERON 33 RIGHT. REMOVED DAMAGED SECTION, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR DOUBLER IAW FAA APPROVED TIMCO DER ENGINEERING SKETCH REO-05177.