What was found
DURING A MAINTENANCE VISIT, FOUND MISDRILLED HOLE IN FRAME AT Y=340 AND LONGERON 21 LEFT. REMOVED FASTENERS, CLEANED. FABRICATED AND INSTALLED REPAIR IAW DER APPROVED COTNEY ENGINEERING SKETCH C07-R13 AND DAC DC-8 SRM 51-1-20D.
As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
DURING A MAINTENANCE VISIT, FOUND MISDRILLED HOLE IN FRAME AT Y=340 AND LONGERON 21 LEFT. REMOVED FASTENERS, CLEANED. FABRICATED AND INSTALLED REPAIR IAW DER APPROVED COTNEY ENGINEERING SKETCH C07-R13 AND DAC DC-8 SRM 51-1-20D.