As reported to the FAA. Reports are unverified, and codes are left as the FAA publishes them.
What was found
DURING A MAINTENANCE VISIT FOUND DUCT THAT GOES UNDER CONSTANT SECTION HAS HOLE (EO). DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED SPLIT SLEEVE AND WELDED OVER CUT OUT. NDT WELD. NO DEFECTS FOUND IAW FAA APPROVED TENNESSEE TECHNICAL SERVICES DER ENGINEERING SKETCH NR EO-99-109 DATED 08-24-99.