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 CORROSION DAMAGE TO FLOOR BOARD IN LEFT HAND TUNNEL AT STA 70 TO 80 BL 21L. DAMAGE EXCEEDED LIMITS IAW DC-8 SRM. REMOVED DAMAGE, TREATED AREA IAW DC-8 SRM 51-1-8. FABRICATED AND INSTALLED NEW PANEL IAW DAC DWG 5892154 AND DC8 SRM 53-7-2 FIG 3B. (CORROSION DAMAGE RECORDED IN EWA CORROSION PROGRAM).