What was found
DURING A MAINTENANCE VISIT FOUND CORROSION, FUSELAGE, AFT LOWER CARGO COMPARTMENT BETWEEN STA 1020 AND STA 1140, FLOOR TRACK. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGED, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED NEW TRACK IAW DC8 SRM 51-1-22 AND INSTALLED PER DC8 SRM 51-1-20. TRACK MATERIAL 7178-T6511 SUBSTITUTED FOR 7075T6 PER FAA APPROVED TENNESSEE TECHNICAL SERVICES DER ENGINEERING SKETCH NR EO-99-094 WITH APPROVED 8110-3 DATED JUNE 12, 1999. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).