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 AF ACCY COMPT HEAVY CORROSION ON INTERNAL SKIN DOUBLER BETWEEN FS 1620 AND 1640 L32L L33L *** CORRECTIVE ACTION *** BLENDED AREA FOUND TO BE OUT OF LINITS IAW DC8 SRM 51-1-8 AND 53-2-0 FIG 1. REMOVED DAMAGED AREA OF INTERNAL DOUBLER IAW DC8 SRM 53-2-1 FIG 7. FABRICATED AND INSTALLED DOUBLER AND FILLER PER DHSK 873-487