What was found
DURING A MAINTENANCE VISIT, FOUND MISDRILLED HOLE IN FRAME AT Y=1120 AND LONGERON 21 LEFT. REMOVED FASTENERS, CLEANED, TREATED AREA IAW DAC DC-8 SRM 51-1-8. FABRICATED AND INSTALLED REPAIR ANGLE AND FILLER, IAW DER APPROVED COTNEY ENGINEERING SKETCH C07-R06 AND DAC DC-8 SRM 51-1-20D.